Similes are fun figures of speech that compare two different things using the words like or as to create a clear mental image. People use these colorful expressions to make their speaking and writing much more vivid and expressive. In this lesson, you will learn a wonderful collection of similes connected to bad smells.
In this lesson, we’ll look at similes that mean foul odors, stinky scents, and unpleasant stenches. Let’s get started and explore some of these helpful expressions.
Similes for Bad Smells
1. As stinky as an old gym sock
Definition: A foul and sweaty odor left behind by sports gear that hasn’t been washed.
Used in a Sentence: Opening my brother gym bag after practice felt as stinky as an old gym sock. / The locker room floor smelled as stinky as an old gym sock left in the sun.
Similar Expressions: As smelly as worn sneakers / As foul as sweaty gear
2. Like a skunk in the woods
Definition: An intensely strong and pungent odor that makes everyone plug their nose.
Used in a Sentence: Our puppy got sprayed by a wild animal and smelled like a skunk in the woods. / The foul scent drifting across the backyard was like a skunk in the woods.
Similar Expressions: Like a stinky polecat / Like a foul spray
3. As foul as a rotten egg
Definition: A sickening sulfur smell that signals something has gone completely bad.
Used in a Sentence: Breaking open the expired science experiment smelled as foul as a rotten egg. / The kitchen trash can smelled as foul as a rotten egg after sitting in the heat.
Similar Expressions: As stinky as spoiled food / As putrid as sulfur
4. Like a swamp in summer
Definition: A thick, muggy, and deeply unpleasant smell of mud and rotting plants.
Used in a Sentence: Walking past the stagnant pond after the rain smelled like a swamp in summer. / The damp basement corner carried a scent like a swamp in summer.
Similar Expressions: Like a muddy marsh / Like stagnant water
5. As sharp as vinegar
Definition: A pungent and sour odor that stings your nose the moment you inhale.
Used in a Sentence: Opening the old pickle jar released a sharp scent as strong as vinegar. / The spoiled milk gave off an odor as sharp as vinegar.
Similar Expressions: As biting as acid / As sour as rot
6. Like a garbage truck on a hot day
Definition: An overwhelming and disgusting smell of rotting trash and waste.
Used in a Sentence: Passing the open dumpster behind the cafeteria smelled like a garbage truck on a hot day. / Leaving food scraps outside made the patio smell like a garbage truck on a hot day.
Similar Expressions: Like a overflowing bin / Like rotting refuse
7. As rank as old cheese
Definition: A heavy, sour, and fermented dairy odor that turns your stomach.
Used in a Sentence: Finding the lunchbox left behind the couch over spring break smelled as rank as old cheese. / The forgotten dairy container in the fridge was as rank as old cheese.
Similar Expressions: As spoiled as curdled milk / As sour as aged rot
8. Like a wet dog after rain
Definition: A damp, earthy, and musky animal smell that fills the hallway.
Used in a Sentence: Bringing our muddy retriever inside the house made the living room smell like a wet dog after rain. / The damp carpet carried an odor like a wet dog after rain.
Similar Expressions: Like damp fur / Like a muddy hound
9. As pungent as raw onions
Definition: A sharp, burning smell that makes your eyes water and nose tingle.
Used in a Sentence: Chopping the giant bulb on the cutting board smelled as pungent as raw onions. / The kitchen air became as pungent as raw onions while cooking dinner.
Similar Expressions: As biting as garlic / As sharp as spice
10. Like a decaying log in the woods
Definition: The heavy, earthy scent of rotting wood, mold, and damp forest floor.
Used in a Sentence: Digging into the old rotting tree trunk smelled like a decaying log in the woods. / The damp mulch behind the shed carried an odor like a decaying log.
Similar Expressions: Like moldy timber / Like rotting bark
11. As unpleasant as a sewer leak
Definition: A deeply repulsive and gag-worthy waste odor that clears a room instantly.
Used in a Sentence: Walking past the broken street pipe smelled as unpleasant as a sewer leak. / The plumbing mishap made the basement smell as unpleasant as a sewer leak.
Similar Expressions: As foul as wastewater / As gross as drainage
12. Like a burning tire on the highway
Definition: A toxic, chemical, and acrid smoke smell that fills the air unpleasantly.
Used in a Sentence: The faulty machinery overheated and filled the garage with a smell like a burning tire. / The plastic wrapper touching the stove burner smelled like a burning tire.
Similar Expressions: Like melting rubber / Like toxic smoke
13. As funky as unwashed laundry
Definition: A stale, sweaty, and sour smell accumulated from days of worn clothes.
Used in a Sentence: Piling all my muddy practice uniforms in the hamper was as funky as unwashed laundry. / The corner of the bedroom smelled as funky as unwashed laundry left in a pile.
Similar Expressions: As stale as worn shirts / As sour as dirty clothes
14. Like a stagnant puddle of mud
Definition: A thick, earthy, and foul smell of stagnant water and trapped dirt.
Used in a Sentence: Splashing through the backyard ditch released an odor like a stagnant puddle of mud. / The uncleaned aquarium water smelled like a stagnant puddle of mud.
Similar Expressions: Like foul ditchwater / Like dirty sludge
15. As sour as spoiled milk
Definition: A curdled, sharp dairy stench that turns your stomach immediately.
Used in a Sentence: Pouring out the carton left behind in the school locker felt as sour as spoiled milk. / The abandoned cereal bowl smelled as sour as spoiled milk.
Similar Expressions: As turned as curd / As foul as bad cream
16. Like a chemical spill in a lab
Definition: A sharp, artificial, and noxious odor that makes it hard to breathe comfortably.
Used in a Sentence: Mixing the harsh cleaning supplies produced a sharp smell like a chemical spill. / The art room varnish smelled like a chemical spill in a lab.
Similar Expressions: Like artificial fumes / Like toxic vapors
17. As thick as stagnant bilge water
Definition: A heavy, sickeningly foul water odor trapped in a dark container.
Used in a Sentence: Opening the old plastic bucket left outside in the rain smelled as thick as stagnant bilge water. / The bottom of the canoe carried an odor as thick as bilge water.
Similar Expressions: As heavy as foul pond water / As gross as sump liquid
18. Like a rotting pumpkin on November first
Definition: A mushy, sweet-gone-sour vegetable decay smell leftover after holidays.
Used in a Sentence: Leaving the jack-o-lantern on the porch too long made the front steps smell like a rotting pumpkin. / Cleaning up the collapsed autumn decoration smelled like a rotting pumpkin.
Similar Expressions: Like mushy squash / Like decaying gourd
19. As acrid as chimney smoke
Definition: A sharp, bitter, and throat-burning smoke smell from a poorly burning fire.
Used in a Sentence: The wet logs in the fireplace produced an acrid smoke smell that stung our eyes. / Breathing the heavy fireplace exhaust felt as acrid as chimney smoke.
Similar Expressions: As bitter as ash / As choking as soot
20. Like a neglected litter box
Definition: A strong, sharp ammonia smell that hits you the moment you open the door.
Used in a Sentence: Stepping into the pet room without cleaning up smelled like a neglected litter box. / The corner of the utility room smelled like a neglected litter box.
Similar Expressions: Like sharp ammonia / Like foul pet waste
21. As earthy as wet soil
Definition: A heavy, damp dirt smell that can be pleasant to some but overwhelming indoors.
Used in a Sentence: Tracking mud all over the white living room carpet smelled as earthy as wet soil. / The potted plant soil spilled on the counter smelled as earthy as wet soil.
Similar Expressions: Like damp dirt / Like fresh mud
22. Like a dead fish on the hot sand
Definition: A potent, sickeningly fishy decay odor baking under the blazing sun.
Used in a Sentence: Walking along the low tide shoreline smelled like a dead fish on the hot sand. / The forgotten seafood wrapper in the trash bin smelled like a dead fish.
Similar Expressions: Like rotting seafood / Like decaying catch
23. As pungent as a damp basement
Definition: A heavy, moldy, and musty odor of enclosed darkness and moisture.
Used in a Sentence: Opening the old storm cellar door released an odor as pungent as a damp basement. / The storage closet smelled as pungent as a damp basement after the flood.
Similar Expressions: As musty as a cave / As moldy as a cellar
24. Like a wet dog on a hot stove
Definition: A bizarre, steaming, and intensely foul odor of wet fur hitting warm air.
Used in a Sentence: Drying our soaked puppy with a warm blowdryer smelled like a wet dog on a hot stove. / The damp coat drying by the heater smelled like a wet dog on a stove.
Similar Expressions: Like steaming fur / Like hot wet wool
25. As foul as old sneakers
Definition: A sweaty, trapped foot odor that lingers stubbornly in a closed space.
Used in a Sentence: Taking off my cleats after a soccer game in the mud smelled as foul as old sneakers. / The bottom of the shoe rack smelled as foul as old sneakers.
Similar Expressions: As stinky as worn boots / As sweaty as gym shoes
26. Like a moldy loaf of bread
Definition: A furry, stale, and bitter yeast decay odor coming from old pantry items.
Usedin a Sentence: Finding the forgotten sandwich in the back of the pantry smelled like a moldy loaf of bread. / The expired baked goods package smelled like a moldy loaf of bread.
Similar Expressions: Like furry yeast / Like stale rot
27. As sharp as ammonia
Definition: A blindingly strong chemical sting that burns your nasal passages instantly.
Used in a Sentence: Scrubbing the bathroom tiles with harsh cleaner smelled as sharp as ammonia. / The cleaning bucket fumes were as sharp as ammonia.
Similar Expressions: As biting as bleach / As stinging as fumes
28. Like a stagnant fish tank
Definition: A murky, slimy water odor filled with decaying organic matter and algae.
Used in a Sentence: Cleaning out the school science classroom aquarium smelled like a stagnant fish tank. / The neglected pet bowl water smelled like a stagnant fish tank.
Similar Expressions: Like murky algae / Like slimy water
29. As musty as an ancient attic
Definition: A dry, dusty, and stale odor of forgotten things sitting in closed spaces for decades.
Used in a Sentence: Sorting through the old family storage boxes smelled as musty as an ancient attic. / The vintage trunk found in the barn was as musty as an ancient attic.
Similar Expressions: As dusty as old paper / As stale as a tomb
30. Like a burning feather
Definition: A uniquely awful, smoky, and keratin-heavy protein burn smell.
Used in a Sentence: The craft project mishap near the candle smelled like a burning feather. / Scorching the pillow stuffing in the sewing room smelled like a burning feather.
Similar Expressions: Like scorched hair / Like burning wool
31. As sour as unwashed dishes
Definition: A greasy, leftover food decay smell sitting in a sink of stagnant water.
Used in a Sentence: Walking into the kitchen after a weekend away smelled as sour as unwashed dishes. / The sink full of leftover breakfast bowls smelled as sour as unwashed dishes.
Similar Expressions: As greasy as leftover sludge / As foul as food crust
32. Like a gas leak in the street
Definition: An unnatural, rotten-egg chemical odor that signals immediate danger.
Used in a Sentence: Smelling the stove burner left slightly open felt like a gas leak in the street. / The peculiar odor in the science lab smelled like a gas leak in the street.
Similar Expressions: Like chemical sulfur / Like warning fumes
33. As pungent as a wet wool blanket
Definition: A heavy, steamy sheep-like musk odor that intensifies when water is added.
Used in a Sentence: Leaving our winter camping wool blankets out in the rain made them smell as pungent as wet wool. / The damp theater costume smelled as pungent as a wet wool blanket.
Similar Expressions: As heavy as damp fleece / As musky as wet yarn
34. Like a rotten potato in the pantry
Definition: A notoriously foul, sweet-sickening vegetable rot odor that lingers for days.
Used in a Sentence: Finding the forgotten vegetable bag under the counter smelled like a rotten potato. / The back of the vegetable bin carried a stench like a rotten potato.
Similar Expressions: Like decaying tubers / Like sweet vegetable rot
35. As bitter as smoke residue
Definition: The stale, sticky, and unpleasant aroma left behind by heavy fireplace soot.
Used in a Sentence: Scrubbing the inside of the brick fireplace chimney smelled as bitter as smoke residue. / The old camping pot tasted and smelled as bitter as smoke residue.
Similar Expressions: As sharp as ash / As foul as soot
36. Like a sewer vent on a rainy afternoon
Definition: A sudden, heavy gust of underground waste gas released by damp weather.
Used in a Sentence: Walking over the sidewalk grate downtown smelled like a sewer vent on a rainy afternoon. / The street corner drainage grate smelled like a sewer vent after the storm.
Similar Expressions: Like underground waste / Like drainage gas
37. As rank as stagnant pond scum
Definition: A thick, green, rotting water plant odor that makes you gag.
Used in a Sentence: Walking near the edge of the algae-filled lake smelled as rank as stagnant pond scum. / The water bucket left outside for weeks was as rank as pond scum.
Similar Expressions: As green as algae rot / As foul as weed decay
38. As sour as fermented fruit
Definition: A sugary, overripe, and alcohol-like rotting fruit stench that attracts bugs.
Used in a Sentence: Leaving the sliced watermelon out in the sun overnight smelled as sour as fermented fruit. / The bottom of the fruit basket smelled as sour as fermented fruit.
Similar Expressions: As boozy as rotting peels / As sweet-gone-bad as cider
39. Like a burning piece of plastic
Definition: A noxious, chemical-heavy, and synthetic odor that fills a room with smoke.
Used in a Sentence: Accidentally melting the ruler on the light bulb smelled like a burning piece of plastic. / The toy left too close to the heater smelled like a burning piece of plastic.
Similar Expressions: Like melting synthetics / Like toxic fumes
40. As heavy as stale body odor
Definition: An unwashed, sweaty, and stale human scent lingering in a crowded room.
Used in a Sentence: Walking into the crowded gym after basketball practice felt as heavy as stale body odor. / The unventilated club room smelled as heavy as stale body odor.
Similar Expressions: As strong as sweat / As foul as unwashed skin
41. Like a foul-smelling locker room
Definition: A potent combination of sweat, liniment, damp towels, and old shoes.
Used in a Sentence: Opening the door to the team equipment room smelled like a foul-smelling locker room. / Our shared team bag smelled like a foul-smelling locker room.
Similar Expressions: Like sweaty gear / Like gym strench
42. As musty as a closed-up cabin
Definition: A stale, dry, and untouched wood-and-dust odor of an unused vacation home.
Used in a Sentence: Unlocking the family lake house after winter smelled as musty as a closed-up cabin. / The old cedar chest smelled as musty as a closed-up cabin.
Similar Expressions: As dusty as unused rooms / As stale as closed wood
43. Like a rotting cabbage in the crisper
Definition: A sharp, sulfurous, and overwhelming vegetable decay stench.
Used in a Sentence: Cleaning out the bottom drawer of the refrigerator smelled like a rotting cabbage. / The forgotten coleslaw container smelled like a rotting cabbage in the crisper.
Similar Expressions: As foul as decaying greens / As putrid as leaf rot
44. As acrid as burning hair
Definition: A sharp, unpleasant protein-burning odor that instantly grabs your attention.
Used in a Sentence: Getting the curling iron too close to the strands smelled as acrid as burning hair. / The science lab mishap smelled as acrid as burning hair.
Similar Expressions: Like scorched fleece / Like burning protein
45. Like a neglected hamster cage
Definition: A potent, ammonia-heavy small-pet bedding odor that fills a bedroom.
Used in a Sentence: Walking into my friend bedroom without him cleaning his pet cage smelled like a neglected hamster cage. / The corner of the pet shop smelled like a neglected hamster cage.
Similar Expressions: Like dirty pet bedding / Like cage ammonia
46. As foul as stagnant ditch water
Definition: A murky, muddy, and rotting water ditch odor after a dry spell.
Used in a Sentence: Stepping off the paved trail into the roadside ditch smelled as foul as stagnant ditch water. / The construction runoff puddle smelled as foul as stagnant ditch water.
Similar Expressions: As gross as runoff sludge / As muddy as foul pools
47. Like a greasy grease trap behind a diner
Definition: A thick, rancid oil and food-waste decay odor that turns your stomach.
Used in a Sentence: Walking past the restaurant back alley kitchen door smelled like a greasy grease trap. / The outdoor commercial kitchen vent smelled like a grease trap behind a diner.
Similar Expressions: Like rancid oil / Like food waste rot
48. As bitter as rancid butter
Definition: A sharp, chemical-tasting fat decay odor that ruins dairy products.
Used in a Sentence: Spreading the old block of forgotten butter tasted and smelled as bitter as rancid butter. / The baking experiment using expired fat smelled as bitter as rancid butter.
Similar Expressions: As sour as old oil / As foul as rancid fat
49. Like an unwashed garbage disposal
Definition: A foul, hidden, and rotting food particle stench emanating from a kitchen sink.
Used in a Sentence: Turning on the kitchen sink switch without running water smelled like an unwashed garbage disposal. / The sink drain gave off an odor like an unwashed garbage disposal.
Similar Expressions: Like rotting sink food / Like drain sludge
50. As stinky as a wet sheep
Definition: A heavy, barnyard, and lanolin-heavy animal stench intensified by moisture.
Used in a Sentence: Visiting the petting zoo after the morning rainstorm smelled as stinky as a wet sheep. / The farm wool sorting shed smelled as stinky as a wet sheep.
Similar Expressions: As musky as barnyard wool / As foul as wet livestock
Exercise to Practice
- Opening my brother gym bag after practice felt as stinky as an old gym sock.
- The math textbook felt as stinky as an old gym sock when I opened it during science class.
- Our puppy got sprayed by a wild animal and smelled like a skunk in the woods.
- Breaking open the expired science experiment smelled as foul as a rotten egg.
- My backpack was as foul as a rotten egg and flew away into the blue sky.
- Walking past the stagnant pond after the rain smelled like a swamp in summer.
- Opening the old pickle jar released a sharp scent as strong as vinegar.
- We used a sharp as vinegar simile to paint the classroom walls purple.
- Passing the open dumpster behind the cafeteria smelled like a garbage truck on a hot day.
- Finding the lunchbox left behind the couch over spring break smelled as rank as old cheese.
- The school playground baked a chocolate cake in the oven during math class.
- Bringing our muddy retriever inside the house made the living room smell like a wet dog after rain.
- Chopping the giant bulb on the cutting board smelled as pungent as raw onions.
- We ate a pungent as raw onions for breakfast with syrup and butter.
- Digging into the old rotting tree trunk smelled like a decaying log in the woods.
Answer Key
- True
- False
- True
- True
- False
- True
- True
- False
- True
- True
- False
- True
- True
- False
- True
Conclusion
Learning these similes helps you understand descriptive language and makes your writing about foul odors and bad smells much more vivid. Try using a few of these expressions when telling funny stories or describing stinky situations to your friends this week.
Frequently Asked Questions
What are some common similes for bad smells?
Common expressions include as stinky as an old gym sock and like a skunk in the woods, which describe sweat and pungent animal odors. These phrases help make your English writing sound much more descriptive and engaging.
Why do we use similes in English?
We use these comparisons to explain abstract sensory experiences like smells using clear mental images. They let us express everyday foul scents in a fun and memorable way.
How can I practice learning these similes?
You can practice by using them in creative writing exercises or when describing funny humorous moments in stories. Creating short tales with these phrases is also a great way to remember them.
Are bad smell similes hard to understand?
Most of these similes are easy to learn once you picture the object they describe, like a garbage truck or a skunk. They usually stand for rot, sweat, and pungent odors.
Can I use these expressions in school writing?
Yes, using these similes adds humor and vivid imagery to your personal narratives and creative writing. Just make sure you use them in the right context so your meaning is clear.
