Idioms are fun phrases that mean something different from the literal words inside them. People use these colorful expressions to make their speaking and writing more imaginative and descriptive. In this lesson, you will learn fifty different idioms that all relate to a sister or sisterly bonds.
In this lesson, we’ll look at idioms that mean sister. Let’s get started and explore some of these helpful expressions.
Idioms for Sister
1. Kindred spirit
Definition: Someone who shares your attitudes, feelings, and goals like a sister.
Used in a Sentence: She found a kindred spirit in her new art classmate who loved drawing comics. / We became instant friends because we were kindred spirits who loved reading adventure books.
Similar Expressions: Soul sister / Like-minded friend
2. Blood is thicker than water
Definition: Family ties, such as the bond with a sister, are stronger than other relationships.
Used in a Sentence: Even though they had a small argument, she helped her sister because blood is thicker than water. / When trouble struck, he knew he had to support his sister since blood is thicker than water.
Similar Expressions: Family first / Kinship counts most
3. Soul sister
Definition: A female friend or sister with whom you share a deep emotional connection.
Used in a Sentence: They shared all their secrets and considered each other soul sisters. / Meeting her best friend felt like finding a long-lost soul sister.
Similar Expressions: Kindred spirit / Sister from another mister
4. Sisterly bond
Definition: A close, supportive, and loving connection between female siblings.
Used in a Sentence: Their strong sisterly bond helped them get through middle school together. / You could see their deep sisterly bond when they shared their toys without fighting.
Similar Expressions: Sibling connection / Family ties
5. Two peas in a pod
Definition: Two sisters who look or act remarkably alike.
Used in a Sentence: The twin sisters wore matching outfits and acted like two peas in a pod. / My older sister and I share the same sense of humor, making us like two peas in a pod.
Similar Expressions: Cut from the same cloth / Spitting image
6. Chip off the old block
Definition: A sister who shares the same personality traits or talents as her parents.
Used in a Sentence: When she started fixing bicycles like her dad, everyone called her a chip off the old block. / Her mother smiled, knowing her younger sister was a true chip off the old block at baking.
Similar Expressions: Just like family / Family copy
7. Right hand
Definition: A trusted helper or sister who assists you with everything.
Used in a Sentence: Whenever she baked cookies, her younger sister was her right hand in the kitchen. / He relied on his sister as his right hand during the school science fair setup.
Similar Expressions: Trusted assistant / Loyal helper
8. Shoulder to shoulder
Definition: Working closely together with your sister to overcome a challenge.
Used in a Sentence: The sisters stood shoulder to shoulder while cleaning up the messy garage. / They faced their piano recital nerves standing shoulder to shoulder on stage.
Similar Expressions: Side by side / Working together
9. Thick and thin
Definition: Remaining loyal to your sister through both good and bad times.
Used in a Sentence: They promised to support each other through thick and thin. / Through good grades and bad, her sister stuck by her through thick and thin.
Similar Expressions: Through ups and downs / Always loyal
10. Partner in crime
Definition: A close companion or sister who joins you in playful mischief.
Used in a Sentence: Her older sister was always her favorite partner in crime for building backyard forts. / The two sisters acted as partners in crime when hiding extra cookies in the pantry.
Similar Expressions: Accomplice / Playful buddy
11. Ride or die
Definition: An intensely loyal sister who will support you no matter what happens.
Used in a Sentence: She knew her big sister was her ultimate ride or die when she defended her at school. / They promised to be ride or die friends through every single challenge.
Similar Expressions: Fiercely loyal / Ultimate supporter
12. Keep each other secrets
Definition: Maintaining trust by not sharing private matters with others.
Used in a Sentence: The sisters promised to keep each other secrets locked away safely. / Trust grew stronger because they always kept each other secrets.
Similar Expressions: Guard confidences / Trust completely
13. Cut from the same cloth
Definition: Having very similar personalities, values, or family backgrounds.
Used in a Sentence: Both sisters loved painting landscapes, proving they were cut from the same cloth. / The twins were cut from the same cloth, always finishing each other sentences.
Similar Expressions: Same nature / Identical style
14. Spitting image
Definition: Looking exactly like your sister or another family member.
Used in a Sentence: She was the spitting image of her older sister when looking at old photo albums. / Everyone said the younger sister was the spitting image of her mom.
Similar Expressions: Exact double / Dead ringer
15. Eye to eye
Definition: Agreeing completely with your sister on a topic or decision.
Used in a Sentence: The sisters finally saw eye to eye on how to decorate their shared bedroom. / It is nice when siblings can see eye to eye on household chores.
Similar Expressions: In full agreement / Shared view
16. Hip and thigh
Definition: Standing close and supporting one another through tough situations.
Used in a Sentence: The sisters stuck hip and thigh while navigating their first day at high school. / They worked hip and thigh to finish the community garden project.
Similar Expressions: Side by side / Closely united
17. Close as pages in a book
Definition: Inseparably bonded sisters who share everything.
Used in a Sentence: Those two sisters were as close as pages in a book, sharing every secret. / You rarely saw one without the other because they were as close as pages in a book.
Similar Expressions: Inseparable / Best friends
18. Share a brain
Definition: Knowing what your sister is thinking without her even speaking.
Used in a Sentence: When they both guessed the same movie, their mom joked they share a brain. / The twin sisters practically share a brain during board game nights.
Similar Expressions: Think alike / Mental connection
19. Back up your sister
Definition: To support and defend your sibling when she is in trouble.
Used in a Sentence: A good sibling will always back up her sister during difficult moments. / She knew she could count on her big sister to back her up at school.
Similar Expressions: Support her / Defend your kin
20. Hand in glove
Definition: Working together in very close harmony like supportive sisters.
Used in a Sentence: The sisters worked hand in glove to prepare the family holiday dinner. / They operated hand in glove when running the school bake sale stand.
Similar Expressions: Seamless teamwork / Closely coordinated
21. Birds of a feather
Definition: Sisters who share identical interests, hobbies, and habits.
Used in a Sentence: Since both sisters loved reading mystery novels, they were true birds of a feather. / The twins acted like birds of a feather by picking the exact same ice cream flavor.
Similar Expressions: Like-minded pair / Similar souls
22. Lean on each other
Definition: To rely on your sister for emotional support during hard times.
Used in a Sentence: After moving to a new town, the sisters learned to lean on each other. / Families grow stronger when members lean on each other during stress.
Similar Expressions: Support one another / Rely on family
23. Cover your sister back
Definition: To protect your sibling from getting into trouble or harm.
Used in a Sentence: Older sisters often try to cover their younger sisters back at school. / She knew her sister had her back covered whenever bullies were around.
Similar Expressions: Protect your kin / Watch out for her
24. Look out for each other
Definition: To care for the safety and well-being of your sibling.
Used in a Sentence: Their parents taught the sisters to always look out for each other on the playground. / The older sister promised to look out for her little brother and sister.
Similar Expressions: Protect each other / Care for siblings
25. Anchor in a storm
Definition: A reliable sister who brings peace during chaotic moments.
Used in a Sentence: During the stressful move, her older sister was her anchor in a storm. / Families need an anchor in a storm when life gets overwhelming.
Similar Expressions: Steady support / Calm presence
26. Two halves of a whole
Definition: Two sisters whose personalities complete one another perfectly.
Used in a Sentence: Even though they had different hobbies, the sisters were two halves of a whole. / Together, the siblings acted like two halves of a whole team.
Similar Expressions: Perfect pair / Complete match
27. Sisterly love
Definition: The warm, affectionate bond shared between female siblings.
Used in a Sentence: Their homemade greeting card was a sweet expression of sisterly love. / They hugged after the race, showing true sisterly love.
Similar Expressions: Sibling affection / Family warmth
28. Walk hand in hand
Definition: To move through life supporting each other like close sisters.
Used in a Sentence: The sisters walked hand in hand through the crowded amusement park. / They decided to walk hand in hand through all their academic challenges.
Similar Expressions: United journey / Side by side
29. Share the load
Definition: To help your sister divide up heavy chores or responsibilities.
Used in a Sentence: The sisters agreed to share the load of washing the dinner dishes. / By working together to share the load, they finished cleaning in ten minutes.
Similar Expressions: Divide work / Cooperate
30. Cut from the same branch
Definition: Belonging to the same family tree with matching traits.
Used in a Sentence: Both sisters had a talent for singing, showing they were cut from the same branch. / Their polite manners proved they were cut from the same branch.
Similar Expressions: Family resemblance / Shared heritage
31. Like two drops of water
Definition: Twin sisters who look completely identical to everyone.
Used in a Sentence: The twin sisters wore matching yellow dresses and looked like two drops of water. / People often confused the two sisters because they looked like two drops of water.
Similar Expressions: Identical twins / Exact match
32. Keep your sister close
Definition: To maintain a strong and loving relationship with your sibling.
Used in a Sentence: Even when they went to different colleges, they promised to keep each other close. / It is important to keep your family close throughout your life.
Similar Expressions: Stay connected / Cherish family
33. Sister from another mister
Definition: A very close female friend whom you treat like a real sister.
Used in a Sentence: She introduced her best friend to everyone as her sister from another mister. / They shared everything like sisters, making them true sisters from another mister.
Similar Expressions: Chosen sister / Best friend
34. Share your heart
Definition: To open up and tell your sister your deepest feelings.
Used in a Sentence: It is comforting to share your heart with a trusted sister. / She felt much better after she shared her heart with her older sibling.
Similar Expressions: Open up / Express feelings
35. Built in best friend
Definition: A sister who is automatically your friend from the day she is born.
Used in a Sentence: Having a younger sister means you always have a built in best friend at home. / They grew up playing board games as a built in best friend duo.
Similar Expressions: Lifelong companion / Natural friend
36. Share a room and a secret
Definition: Living closely together and trusting each other completely.
Used in a Sentence: Growing up, the sisters loved to share a room and a secret every night. / They whispered late at night while sharing a room and a secret.
Similar Expressions: Close roommates / Trusted confidantes
37. Stand by your sister
Definition: To remain loyal and supportive of your sibling during hard times.
Used in a Sentence: True family members always stand by your sister when challenges arise. / She promised to stand by her sister through every school play and test.
Similar Expressions: Support her / Remain loyal
38. Keep the peace
Definition: To help sisters stop arguing and get along nicely.
Used in a Sentence: The older sister tried to keep the peace when the twins started fighting over toys. / Mum asked them to keep the peace during the long car ride.
Similar Expressions: Stop arguments / Maintain harmony
39. Share a smile
Definition: To exchange a happy, understanding look with your sister.
Used in a Sentence: Across the crowded room, the sisters caught each other eye and shared a smile. / A simple joke was enough to make both sisters share a smile.
Similar Expressions: Exchange grins / Connect happily
40. Cut from the same root
Definition: Having the same family background and upbringing.
Used in a Sentence: Both sisters learned kindness because they were cut from the same root family. / Their strong work ethic proved they were cut from the same root.
Similar Expressions: Family foundation / Shared upbringing
41. Twin souls
Definition: Two sisters who share a deep mental and emotional connection.
Used in a Sentence: The sisters became twin souls who enjoyed writing stories together. / They understood each other effortlessly, acting like twin souls.
Similar Expressions: Kindred spirits / Deep bond
42. Keep each other grounded
Definition: To help your sister stay humble and sensible.
Used in a Sentence: Winning the award was exciting, but her sister helped keep her grounded. / The siblings kept each other grounded despite their growing success.
Similar Expressions: Stay humble / Keep balanced
43. Share the spotlight
Definition: To let your sister enjoy attention right along with you.
Used in a Sentence: During the talent show victory, she was happy to share the spotlight with her sister. / Good sisters know how to share the spotlight during family celebrations.
Similar Expressions: Split attention / Share success
44. Cut from the same family tree
Definition: Sharing direct blood relatives and family traits.
Used in a Sentence: Both girls had curly red hair, reminding everyone they were cut from the same family tree. / Their artistic talents showed they were cut from the same family tree.
Similar Expressions: Relatives / Family lineage
45. Share the laughter
Definition: To enjoy funny moments and joyful times together with your sister.
Used in a Sentence: The sisters spent all afternoon watching comedy shows and sharing the laughter. / Nothing brings siblings closer than sharing the laughter over silly memories.
Similar Expressions: Laugh together / Enjoy joy
46. Sisterly bond of steel
Definition: An unbreakable connection between female siblings.
Used in a Sentence: No argument could ever break their sisterly bond of steel. / They trusted each other completely, protected by a sisterly bond of steel.
Similar Expressions: Unbreakable tie / Strong connection
47. Share a dream
Definition: To have similar hopes and goals for the future with your sister.
Used in a Sentence: The sisters shared a dream of opening a bakery together one day. / Talking late into the night helped them share a dream for college.
Similar Expressions: Mutual goal / Joint aspiration
48. Cut from the same mold
Definition: Having identical habits, looks, or personalities.
Used in a Sentence: The two sisters were cut from the same mold, loving science and math. / People joked the twins were cut from the same mold because they spoke simultaneously.
Similar Expressions: Identical traits / Same pattern
49. Share a secret handshake
Definition: A special private greeting known only between two sisters.
Used in a Sentence: Before every soccer game, the sisters performed their share a secret handshake routine. / They invented a fun share a secret handshake just for fun.
Similar Expressions: Private greeting / Special sign
50. Heart to heart
Definition: An honest and caring conversation between sisters.
Used in a Sentence: They sat on the porch and had a heart to heart talk about school. / A good heart to heart cleared up any silly misunderstandings between the sisters.
Similar Expressions: Honest chat / Sincere discussion
Exercise to Practice
- She found a kindred spirit in her new art classmate who loved drawing comics.
- Even though they had a small argument, she helped her sister because blood is thicker than water.
- They shared all their secrets and considered each other soul sisters.
- Their strong sisterly bond helped them get through middle school by yelling at each other all day.
- The twin sisters wore matching outfits and acted like two peas in a pod.
- When she started fixing bicycles like her dad, everyone called her a chip off the old block.
- Whenever she baked cookies, her younger sister ran away and hid from the kitchen.
- The sisters stood shoulder to shoulder while cleaning up the messy garage together.
- They promised to support each other through thick and thin no matter what happened.
- Her older sister was always her favorite partner in crime for building backyard forts.
- She knew her big sister was her ultimate ride or die when she defended her at school.
- The sisters promised to keep each other secrets by shouting them out the window.
- Both sisters loved painting landscapes, proving they were cut from the same cloth.
- She was the spitting image of her older sister when looking at old photo albums.
- The sisters finally saw eye to eye on how to decorate their shared bedroom peacefully.
Answer Key
- True
- True
- True
- False
- True
- True
- False
- True
- True
- True
- True
- False
- True
- True
- True
Conclusion
Learning these idioms helps you describe the special relationships sisters share using fun and colorful expressions. These phrases make your writing much more descriptive and give you creative ways to talk about family bonds. Try using a few of these phrases when telling stories about your siblings or best friends. Practicing them in everyday conversations is a fantastic way to expand your English vocabulary.
Frequently Asked Questions
What are some common idioms for a sister?
Common idioms include kindred spirit, blood is thicker than water, and soul sister. These phrases are frequently used to describe close family bonds and supportive female friendships.
Why do we use idioms in English?
Idioms make our language more creative, colorful, and engaging to read or speak. Instead of using plain words, these expressions help paint a clear picture in the listener’s mind.
Can idioms have different meanings?
Most idioms have a fixed meaning that native speakers understand, even if the individual words sound unrelated. It is always helpful to check the definition so you use the phrase correctly in a sentence.
How can I practice learning these idioms?
You can practice by using one new idiom each day in a sentence or short diary entry. Interactive reading exercises and true or false quizzes are also fantastic ways to test your memory.
Are these idioms okay to use in school writing?
Yes, these idioms are wonderful for creative writing projects, personal essays, and everyday conversation. Just make sure your tone remains friendly and fits your audience.
