50 Idioms for Best Friend With Meanings & Sentenes
Idioms for Best Friend
1. Two peas in a pod
Meaning: Very similar or always together.
In a Sentence: My best friend and I are like two peas in a pod—we’re inseparable.
Other Ways to Say: Inseparable friends, Like twins.
2. BFF (Best Friends Forever)
Meaning: A close friend with whom one shares a strong bond and plans to remain friends for a long time.
In a Sentence: Sarah and I have been BFFs since kindergarten; we do everything together.
Other Ways to Say: Best pal, Closest buddy.
3. Joined at the hip
Meaning: Always together; very close.
In a Sentence: Ever since college, Mike and Dan have been joined at the hip.
Other Ways to Say: Constant companions, Always together.
4. Kindred spirit
Meaning: Someone with whom you share a deep connection and similar interests or values.
In a Sentence: Sarah and I are kindred spirits; we both love reading and exploring nature.
Other Ways to Say: Soul mate, Like-minded friend.
5. Thick as thieves
Meaning: Very close or friendly; often secretive or mischievous together.
In a Sentence: They’ve been thick as thieves since childhood, always backing each other up.
Other Ways to Say: Close-knit, Best mates.
6. Birds of a feather
Meaning: People with similar interests or characteristics.
In a Sentence: We became friends instantly—we’re birds of a feather.
Other Ways to Say: Alike, Kindred souls.
7. Ride or die
Meaning: A loyal friend who stays with you no matter what.
In a Sentence: Jessica is my ride or die; I can always count on her.
Other Ways to Say: Loyal friend, True companion.
8. Shoulder to cry on
Meaning: Someone who listens and gives emotional support.
In a Sentence: My best friend is always a shoulder to cry on when I feel down.
Other Ways to Say: Supportive friend, Comforting companion.
9. Through thick and thin
Meaning: Staying together through good and bad times.
In a Sentence: We’ve stayed best friends through thick and thin.
Other Ways to Say: Loyal always, No matter what.
10. Friend for life
Meaning: A friend who will remain close forever.
In a Sentence: After everything we’ve been through, she’s truly a friend for life.
Other Ways to Say: Lifelong friend, Forever companion.
11. Bestie
Meaning: A casual or affectionate way to say best friend.
In a Sentence: I went shopping with my bestie yesterday.
Other Ways to Say: BFF, Favorite friend.
12. The yin to my yang
Meaning: Complementing each other perfectly.
In a Sentence: We’re different but complete each other—she’s the yin to my yang.
Other Ways to Say: Perfect match, Balanced duo.
13. Partner in crime
Meaning: A close friend who joins you in all your adventures.
In a Sentence: She’s my partner in crime—we’ve shared every crazy moment together.
Other Ways to Say: Sidekick, Adventure buddy.
14. Like family
Meaning: As close as a sibling or family member.
In a Sentence: She’s not just a friend; she’s like family.
Other Ways to Say: Chosen family, Sister from another mister.
15. My rock
Meaning: Someone who gives strength and support.
In a Sentence: During tough times, my best friend is always my rock.
Other Ways to Say: Pillar of strength, Support system.
16. Soul sister / Soul brother
Meaning: A friend who connects with your inner self deeply.
In a Sentence: We call each other soul sisters because of our deep connection.
Other Ways to Say: Spiritual twin, Kindred friend.
17. Day-one
Meaning: A friend who has been with you since the beginning.
In a Sentence: She’s my day-one—we’ve grown up together.
Other Ways to Say: Original friend, Lifelong buddy.
18. My person
Meaning: The most trusted and significant friend in your life.
In a Sentence: No matter what, she’s my person.
Other Ways to Say: Closest friend, My constant.
19. Peanut butter to my jelly
Meaning: A perfect match; best companions.
In a Sentence: We’re like peanut butter and jelly—meant to be together.
Other Ways to Say: Perfect duo, Ideal pair.
20. Blood couldn’t make us closer
Meaning: As close as family despite no blood relation.
In a Sentence: She’s my best friend—blood couldn’t make us closer.
Other Ways to Say: Chosen family, Deep connection.
21. Birds of a Feather
Meaning: Two people who are very similar in habits or interests.
In a Sentence: Jenny and I are birds of a feather—we both love vintage music and classic films.
Other Ways to Say: Like-minded people, Similar souls.
22. Through Thick and Thin
Meaning: To stay together and support each other no matter what.
In a Sentence: We’ve been friends through thick and thin, from childhood struggles to adult triumphs.
Other Ways to Say: Loyal companion, Constant supporter.
23. Ride or Die
Meaning: A friend who sticks by your side no matter the situation.
In a Sentence: She’s my ride or die—we’ve been through it all together.
Other Ways to Say: True friend, Loyal to the end.
24. Joined at the Hip
Meaning: Very closely connected or always together.
In a Sentence: Ever since college, Mark and I have been joined at the hip.
Other Ways to Say: Inseparable, Always together.
25. Someone to Lean On
Meaning: A dependable person who offers emotional support.
In a Sentence: During tough times, she was always someone to lean on.
Other Ways to Say: Emotional anchor, Support system.
26. Two Peas in a Pod
Meaning: Two people who are very close and similar in nature.
In a Sentence: My best friend and I are like two peas in a pod—we even finish each other’s sentences.
Other Ways to Say: Inseparable friends, Perfect match.
27. Always Got Your Back
Meaning: Always ready to defend or support you.
In a Sentence: No matter what happens, I know she’s always got my back.
Other Ways to Say: Dependable friend, Constant ally.
28. Bosom Buddy
Meaning: A very close or intimate friend.
In a Sentence: Ever since grade school, John has been my bosom buddy.
Other Ways to Say: Intimate friend, Closest companion.
29. A Friend in Need
Meaning: Someone who supports you when you need help.
In a Sentence: A friend in need is a friend indeed, and Lily proved that during my illness.
Other Ways to Say: Reliable friend, Trustworthy companion.
30. Old Faithful
Meaning: A friend who is always reliable.
In a Sentence: Mark is my Old Faithful; I can always count on him.
Other Ways to Say: Dependable friend, Consistent companion.
31. Lifelong Companion
Meaning: A friend who stays with you for a lifetime.
In a Sentence: She’s been my lifelong companion since primary school.
Other Ways to Say: Lifetime friend, Forever buddy.
32. The Other Half
Meaning: A person who completes you emotionally.
In a Sentence: My best friend is like the other half of my soul.
Other Ways to Say: Soul twin, True complement.
33. My Person
Meaning: The one you go to for everything.
In a Sentence: Whenever something happens, good or bad, she’s my person.
Other Ways to Say: Go-to friend, Core confidante.
34. My Rock
Meaning: Someone who provides strength and support.
In a Sentence: She’s been my rock through every heartbreak and challenge.
Other Ways to Say: Strong support, Steady presence.
35. In My Corner
Meaning: Someone who is always on your side.
In a Sentence: No matter what, he’s always in my corner.
Other Ways to Say: Ally, Loyal friend.
36. Bestie
Meaning: Informal term for best friend.
In a Sentence: I can’t wait for the weekend getaway with my bestie!
Other Ways to Say: Close buddy, BFF.
37. Constant Companion
Meaning: Someone who is always with you.
In a Sentence: My dog and I are constant companions, just like me and my best friend.
Other Ways to Say: Steady friend, Unwavering pal.
38. Confidante
Meaning: A person you trust with private matters.
In a Sentence: She’s the only one I trust with my secrets—my true confidante.
Other Ways to Say: Trusted friend, Secret-keeper.
39. Best Bud
Meaning: A slang term for best friend.
In a Sentence: I’ve known my best bud since third grade.
Other Ways to Say: Closest pal, Day-one friend.
40. True Blue
Meaning: Extremely loyal and faithful friend.
In a Sentence: Sarah is true blue—always there, never fake.
Other Ways to Say: Loyal friend, Real one.
41. Forever Friend
Meaning: A friendship that lasts for life.
In a Sentence: No matter how far apart we live, she’s my forever friend.
Other Ways to Say: Lifelong buddy, Eternal friend.
42. Go-To Person
Meaning: Someone you always rely on.
In a Sentence: Whenever I need help or advice, he’s my go-to person.
Other Ways to Say: Reliable friend, Constant support.
43. Heart and Soul
Meaning: Someone deeply connected to your emotions and life.
In a Sentence: She’s the heart and soul of our friendship circle.
Other Ways to Say: Center of support, Emotional anchor.
44. Friend for Life
Meaning: A permanent, lasting friend.
In a Sentence: After all we’ve been through, he’s a friend for life.
Other Ways to Say: Permanent pal, Life partner in friendship.
45. Trusty Sidekick
Meaning: A loyal companion who’s always by your side.
In a Sentence: I’m Batman and she’s my trusty sidekick.
Other Ways to Say: Faithful friend, Always-there buddy.
46. Always by My Side
Meaning: Someone who never leaves you alone in hard times.
In a Sentence: Through all the ups and downs, he’s always by my side.
Other Ways to Say: Loyal supporter, Unmoving companion.
47. My Better Half
Meaning: A person who makes you better just by being around.
In a Sentence: She’s not just my best friend, she’s my better half.
Other Ways to Say: Life enhancer, Perfect partner.
48. Tight-knit
Meaning: Having a very close relationship.
In a Sentence: We’re part of a tight-knit group of friends who always support each other.
Other Ways to Say: Close bond, Deeply connected.
49. Soul Sister
Meaning: A friend who feels like family.
In a Sentence: We’re not related by blood, but she’s my soul sister.
Other Ways to Say: Spiritual twin, Emotional sibling.
50. Day-One
Meaning: A friend who’s been there since the very beginning.
In a Sentence: He’s been my day-one—we’ve seen every season of life together.
Other Ways to Say: Original friend, Longtime pal.
