Idioms are wonderful phrases where the words together create a brand new meaning instead of what they say separately. People use these clever expressions to make their conversations lively and describe secrecy, deception, and concealing facts in colorful ways. In this guide, you will discover fifty interesting idioms related to hiding the truth.
In this lesson, we’ll look at idioms that mean concealing facts and keeping secrets. Let’s get started and explore some of these helpful expressions.
Idioms for Hiding the Truth
1. Act innocent
Definition: To pretend you had nothing to do with a mistake or secret wrongdoing.
Used in a Sentence: He tried to act innocent when the teacher asked who left the door open. / Even though she broke the plate, she stood there and tried to act innocent.
Similar Expressions: Play dumb / Feign ignorance
2. Bar the windows
Definition: To completely lock down information so nobody can find out the truth.
Used in a Sentence: The company tried to bar the windows of communication after the financial error. / We had to bar the windows of our clubhouse so nobody could steal our secret plans.
Similar Expressions: Lock down info / Seal tight
3. Bite your tongue
Definition: To stop yourself from speaking out and revealing a secret truth.
Used in a Sentence: I had to bite my tongue so I would not ruin the surprise birthday party. / She bit her tongue during the meeting to keep the corporate plans private.
Similar Expressions: Keep quiet / Hold your tongue
4. Blind to reality
Definition: Choosing to ignore obvious facts and hide from the actual truth.
Used in a Sentence: He was completely blind to reality regarding how messy his room was. / Refusing to check your grades is just being blind to reality.
Similar Expressions: Ignore facts / Deny truth
5. Brush under the carpet
Definition: To hide a mistake or problem so that people will forget about it.
Used in a Sentence: The committee tried to brush the budget error under the carpet. / You cannot just brush your bad test scores under the carpet and ignore them.
Similar Expressions: Sweep under the rug / Hide mistakes
6. Bury the facts
Definition: To conceal important evidence so nobody discovers what really happened.
Used in a Sentence: The dishonest witness tried to bury the facts during the school investigation. / Investigators worked hard to uncover the truth and stop people from trying to bury the facts.
Similar Expressions: Conceal evidence / Hide details
7. Camouflage the truth
Definition: To disguise real information with fake details to mislead others.
Used in a Sentence: His complicated story was just an attempt to camouflage the truth about his absence. / Do not try to camouflage the truth with clever excuses.
Similar Expressions: Disguise facts / Mask reality
8. Cloak of silence
Definition: A strict agreement or rule to keep information completely hidden.
Used in a Sentence: The club members operated under a cloak of silence regarding their initiation. / A heavy cloak of silence fell over the room when the principal walked in.
Similar Expressions: Secret agreement / Silent pact
9. Conceal the evidence
Definition: To hide physical proof that shows a rule was broken or a secret happened.
Used in a Sentence: He tried to conceal the evidence of the broken lamp by throwing away the pieces. / Clean up your mess instead of trying to conceal the evidence.
Similar Expressions: Hide proof / Destroy clues
10. Cover your tracks
Definition: To remove any clues or signs that reveal what you were doing.
Used in a Sentence: After sneaking a cookie from the jar, she quickly wiped the counter to cover her tracks. / The hacker tried to cover his tracks by deleting the computer logs.
Similar Expressions: Hide clues / Erase traces
11. Darken counsel
Definition: To use confusing words that obscure the actual truth and mislead people.
Used in a Sentence: The politician tended to darken counsel with complicated speeches whenever asked direct questions. / Avoid using confusing jargon that only serves to darken counsel.
Similar Expressions: Confuse the issue / Obscure truth
12. Deceive your own eyes
Definition: To convince yourself that something obvious is not actually happening.
Used in a Sentence: Seeing the empty plate made me realize I could not deceive my own eyes about who ate the cake. / Do not deceive your own eyes when looking at the broken fence.
Similar Expressions: Ignore the obvious / Self-deceiving
13. Dishonest game
Definition: A secret, tricky approach used to manipulate people and hide facts.
Used in a Sentence: We refused to play a dishonest game just to win the student election. / Cheating on the test is a dishonest game that always catches up to you.
Similar Expressions: Tricky method / Unfair practice
14. Dressed up as a lie
Definition: A false statement made to look believable by adding fake details.
Used in a Sentence: His excuse for being late was just the truth dressed up as a lie. / Do not accept a story that is simply dressed up as a lie.
Similar Expressions: Fabricated story / Fake truth
15. Drown out the truth
Definition: To make so much noise or distraction that nobody hears the actual facts.
Used in a Sentence: They tried to drown out the truth with loud arguments during the debate. / Spreading rumors is just a way to drown out the truth.
Similar Expressions: Silence facts / Block reality
16. Dusty old secret
Definition: A long-hidden piece of family or personal history that nobody talks about.
Used in a Sentence: Finding the old diary revealed a dusty old secret about our historic house. / He kept that dusty old secret locked in his heart for decades.
Similar Expressions: Long-held secret / Hidden past
17. Escape notice
Definition: To manage to hide your actions or mistakes so nobody sees them.
Used in a Sentence: He hoped his late arrival would escape notice by the teacher. / Trying to sneak past the guard did not escape notice for long.
Similar Expressions: Go unseen / Avoid detection
18. Fabricate a tale
Definition: To make up a completely false story to hide what really happened.
Used in a Sentence: The child tried to fabricate a tale about why his homework was missing. / Never fabricate a tale when honesty is always the best policy.
Similar Expressions: Make up a story / Invent lies
19. False front
Definition: A deceptive appearance put on to hide true character or facts.
Used in a Sentence: The abandoned store front was just a false front hiding an empty lot. / He put on a brave false front to hide his deep fears.
Similar Expressions: Deceptive facade / Fake appearance
20. Fake a smile
Definition: To pretend to be happy in order to hide your true feelings or secrets.
Used in a Sentence: She had to fake a smile while listening to the gossip she knew was false. / Even when stressed, he learned how to fake a smile during family gatherings.
Similar Expressions: Hide feelings / Pretend joy
21. Feed a line
Definition: To give someone a false story or explanation to trick them.
Used in a Sentence: Do not let him feed you a line about why he lost your bicycle. / The salesman tried to feed us a line about the quality of the car.
Similar Expressions: Tell tall tales / Deceive smoothly
22. Fooled by appearances
Definition: Misled into believing something false because the surface looks convincing.
Used in a Sentence: We were fooled by appearances when we thought the tidy room meant homework was done. / Do not let yourself be fooled by appearances in science experiments.
Similar Expressions: Misled visually / Deceived easily
23. Front man
Definition: Someone who hides the true leaders or facts by acting as the public face.
Used in a Sentence: The corrupt company used a friendly front man to hide their illegal practices. / He served as the front man while the actual inventors stayed hidden.
Similar Expressions: Figurehead / Masking agent
24. Fudge the numbers
Definition: To alter data slightly in order to hide financial or factual mistakes.
Used in a Sentence: The dishonest accountant tried to fudge the numbers on the report. / Never fudge the numbers in your science lab experiment data.
Similar Expressions: Alter data / Falsify records
25. Gag order
Definition: An official instruction forbidding people from talking about a secret case.
Used in a Sentence: The judge placed a gag order on the participants in the trial. / We faced a strict gag order regarding the school board decision.
Similar Expressions: Silencing rule / Strict ban on speaking
26. Gloss over
Definition: To treat a serious problem or hidden truth as unimportant to avoid discussion.
Used in a Sentence: Do not try to gloss over your missing assignment when speaking to the principal. / The report tried to gloss over the environmental damage caused.
Similar Expressions: Minimize facts / Hide details
27. Half-truth
Definition: A statement that mixes a real fact with a lie to deceive someone.
Used in a Sentence: Telling me you cleaned your room when you only hid trash is just a half-truth. / A half-truth is often more dangerous than a direct lie.
Similar Expressions: Partial lie / Deceptive statement
28. Hide behind a mask
Definition: To conceal your identity or true intentions from the people around you.
Used in a Sentence: Cyberbullies often hide behind a mask of fake online profiles. / You do not need to hide behind a mask of toughness with your family.
Similar Expressions: Conceal identity / Wear a disguise
29. Hide under a bushel
Definition: To conceal your talents, truths, or abilities from the world.
Used in a Sentence: Do not hide your brilliant artistic skills under a bushel. / She refused to hide her intelligence under a bushel anymore.
Similar Expressions: Conceal talent / Keep hidden
30. Hush-hush
Definition: Highly secretive, confidential, and kept hidden from general knowledge.
Used in a Sentence: Our plans for the community center expansion were kept very hush-hush. / The government project was classified as hush-hush.
Similar Expressions: Highly confidential / Strictly secret
31. Keep a tight lid on
Definition: To prevent sensitive information or secrets from leaking out.
Used in a Sentence: The editors wanted to keep a tight lid on the book plot twist. / We must keep a tight lid on our club budget plans.
Similar Expressions: Guard closely / Maintain secrecy
32. Keep under wraps
Definition: To maintain the secrecy of a project or surprise until it is ready.
Used in a Sentence: The invention was kept under wraps until the science convention. / She kept her art project under wraps for months.
Similar Expressions: Keep secret / Hide away
33. Lead up the garden path
Definition: To deceive someone intentionally by feeding them false information.
Used in a Sentence: The scammer tried to lead investors up the garden path with fake receipts. / Do not let smooth talkers lead you up the garden path.
Similar Expressions: Mislead cleverly / Trick deceitfully
34. Let sleeping dogs lie
Definition: To leave a hidden past issue alone rather than digging up old truths.
Used in a Sentence: We resolved our argument yesterday, so let us let sleeping dogs lie. / Bringing up that old mistake is unnecessary; let sleeping dogs lie.
Similar Expressions: Leave alone / Avoid past trouble
35. Make up stories
Definition: To invent imaginary events to hide what really occurred.
Used in a Sentence: Stop trying to make up stories about why you did not finish your chores. / The imaginative child loved to make up stories during playtime.
Similar Expressions: Invent lies / Fabricate fiction
36. Mislead the public
Definition: To give false impressions or hide facts from the community.
Used in a Sentence: The misleading advertisement tried to mislead the public about the toy quality. / Newspapers must never mislead the public with fake news.
Similar Expressions: Deceive society / Spread false info
37. Muddy the waters
Definition: To make a clear situation confusing so the truth becomes hidden.
Used in a Sentence: Adding false accusations only serves to muddy the waters of the debate. / Do not muddy the waters with irrelevant details during our meeting.
Similar Expressions: Confuse matters / Obscure clarity
38. Painted over
Definition: Covering up a blemish or ugly truth with a fresh surface layer.
Used in a Sentence: They painted over the water stain on the wall instead of fixing the pipe. / Covering up a mistake with a lie is like painted over a crack in glass.
Similar Expressions: Covered up / Concealed superficially
39. Play possum
Definition: To pretend to be asleep or unaware to hide from a situation.
Used in a Sentence: The clever puppy played possum when it was time to take a bath. / He decided to play possum during the boring lecture.
Similar Expressions: Play dead / Pretend ignorance
40. Pull the wool over
Definition: To deceive someone by pulling wool over their eyes to hide the facts.
Used in a Sentence: You cannot pull the wool over the teacher’s eyes with copied answers. / He tried to pull the wool over our eyes about who broke the window.
Similar Expressions: Trick someone / Deceive smoothly
41. Put on an act
Definition: To pretend to feel or act a certain way to hide your true thoughts.
Used in a Sentence: She put on an act of being brave while feeling terrified of the presentation. / Stop putting on an act and tell us how you really feel.
Similar Expressions: Fake behavior / Pretend outwardly
42. Put up a smokescreen
Definition: To create a distraction that hides your true intentions or mistakes.
Used in a Sentence: His angry outburst was just a smokescreen to hide his failing grades. / The company built a financial smokescreen to conceal their losses.
Similar Expressions: Create distraction / Hide intentions
43. Pull a fast one
Definition: To deceive someone quickly through sneaky, hidden actions.
Used in a Sentence: He tried to pull a fast one by trading a broken toy. / Watch out for his tricks because he loves to pull a fast one.
Similar Expressions: Trick sneakily / Deceive quickly
44. Rubber stamp
Definition: To approve something automatically without checking for hidden flaws.
Used in a Sentence: The committee should not just rubber stamp the proposal without reading it. / Do not rubber stamp your homework without checking for errors.
Similar Expressions: Approve blindly / Pass without review
45. Secret agenda
Definition: Hidden personal goals or motives disguised behind innocent actions.
Used in a Sentence: We suspected the new club president had a secret agenda. / Always watch out for people operating with a secret agenda.
Similar Expressions: Hidden motive / Concealed plan
46. Smoke and mirrors
Definition: Illusory tricks used to hide the simple truth behind a complex facade.
Used in a Sentence: Their explanation of the budget shortfall was pure smoke and mirrors. / Do not fall for his smoke and mirrors sales pitch.
Similar Expressions: Illusion / Deceptive trick
47. Spin a yarn
Definition: To tell a long, made-up story that hides the boring truth.
Used in a Sentence: Grandfather loved to sit on the porch and spin a yarn about his youth. / Do not try to spin a yarn to explain your missing shoes.
Similar Expressions: Tell tall tales / Invent stories
48. Sweep under the rug
Definition: To hide a problem or truth out of sight instead of resolving it.
Used in a Sentence: You cannot sweep your responsibilities under the rug forever. / The school tried to sweep the cafeteria incident under the rug.
Similar Expressions: Hide problems / Ignore facts
49. Veil of secrecy
Definition: A heavy cover that keeps organizational or personal facts hidden.
Used in a Sentence: The new product was developed under a thick veil of secrecy. / They operated behind a veil of secrecy until launch day.
Similar Expressions: Blanket of mystery / Hidden cover
50. Whitewash the facts
Definition: To gloss over faults and crimes to make things look clean and honest.
Used in a Sentence: The official report tried to whitewash the facts of the accident. / Do not attempt to whitewash the facts of our group project failure.
Similar Expressions: Cover up flaws / Sanitize truth
Exercise to Practice
- Acting innocent means you pretend you had nothing to do with a mistake.
- Sweeping a problem under the rug means you are cleaning your hardwood floor with a broom.
- Biting your tongue means you stop yourself from speaking out and revealing a secret.
- Fabricating a tale means you are sewing a winter jacket with cotton fabric.
- Playing possum means you pretend to be asleep or unaware to hide from a situation.
- Putting up a smokescreen means you are lighting a campfire in the living room.
- Fudging the numbers means you are baking sweet chocolate fudge candies in the kitchen.
- Keeping information under wraps means you are wrapping a gift in colorful paper.
- Pulling the wool over someone’s eyes means you are knitting a warm woolen sweater.
- Whitewashing the facts means you are painting a wooden fence with white house paint.
- Spilling the beans means you are cooking dinner by dropping groceries on the floor.
- Hiding under a bushel means you are concealing your talents from the world.
- Painting over a stain means you are fixing a broken water pipe with paint.
- Keeping a tight lid on information means you are screwing a plastic cap onto a water bottle.
- Having a secret agenda means you are writing down your morning homework schedule in a planner.
Answer Key
- True
- False
- True
- False
- True
- False
- False
- False
- False
- False
- False
- True
- False
- False
- False
Conclusion
Learning these idioms helps you describe secrecy, deception, and concealing facts in creative ways. These expressions add wonderful imagery to your daily conversations and help you talk about hidden truths clearly.
Try using a few of these phrases the next time you read a mystery story or discuss honesty with friends. You will connect better with others and share your experiences with wonderful words.
Frequently Asked Questions
What are some common idioms for hiding the truth?
Some popular expressions include sweeping under the rug, biting your tongue, and pulling the wool over someone’s eyes. These phrases help describe how people conceal facts and keep secrets.
Why do we use idioms in English?
Idioms let us express complex secrecy and deception in colorful, memorable ways rather than plain language. They make storytelling and everyday conversation much more expressive.
How can I remember these idioms easily?
You can remember them best by connecting each phrase to a relatable moment like reading a mystery book or playing a guessing game. Using them in your daily writing and speaking practice will also help them stick in your memory.
Are idioms used in formal legal documents?
Idioms are usually best for casual conversations, personal stories, and creative writing rather than strict court contracts. Using them in everyday chat makes your speaking sound natural and warm.
Do all English idioms have literal meanings?
No, idioms have figurative meanings where the phrase as a whole means something completely different from the individual words. Learning the specific definitions helps you use them correctly in conversation.







