50 Idioms for Trust With Meaning & Sentence
Idioms for Trust
1. Take someone at their word
Meaning: To believe what someone says without doubting them
In a Sentence: When Sarah said she would finish her homework, I took her at her word.
Other Ways to Say: Trust someone’s word, Accept someone’s word
2. Trust someone with your life
Meaning: To have complete confidence in someone, even in risky situations
In a Sentence: I trust my parents with my life; they always know what’s best for me.
Other Ways to Say: Have full faith in someone, Trust someone implicitly
3. Put your faith in
Meaning: To believe in someone or something
In a Sentence: I put my faith in the coach’s plan and followed through.
Other Ways to Say: Believe in, Rely on
4. A man of his word
Meaning: Someone who keeps promises
In a Sentence: You can count on John; he’s a man of his word.
Other Ways to Say: Reliable, Dependable
5. In safe hands
Meaning: Under the protection or care of someone reliable
In a Sentence: Don’t worry, your child is in safe hands at this daycare.
Other Ways to Say: Protected, Well cared for
6. Blind trust
Meaning: Trusting someone without questioning
In a Sentence: She had blind trust in her business partner.
Other Ways to Say: Total confidence, Complete faith
7. Earn someone’s trust
Meaning: To gain someone’s confidence over time
In a Sentence: It took months to earn his trust after the misunderstanding.
Other Ways to Say: Build confidence, Win over
8. On the level
Meaning: Honest and trustworthy
In a Sentence: I believe her story; she seems on the level.
Other Ways to Say: Straightforward, Truthful
9. Keep the faith
Meaning: Continue to believe and trust, especially in hard times
In a Sentence: Even after failure, he kept the faith.
Other Ways to Say: Stay hopeful, Remain confident
10. Rock-solid trust
Meaning: Unshakeable trust
In a Sentence: After years of friendship, their bond was rock-solid trust.
Other Ways to Say: Firm trust, Deep faith
11. Trust your gut
Meaning: Rely on your instincts
In a Sentence: I didn’t have proof, but I trusted my gut.
Other Ways to Say: Follow your intuition, Listen to your instincts
12. As good as their word
Meaning: Always keeping promises
In a Sentence: She’s as good as her word—always reliable.
Other Ways to Say: Dependable, True to their word
13. Take someone into your confidence
Meaning: Share secrets because you trust them
In a Sentence: I took my best friend into my confidence about my plans.
Other Ways to Say: Confide in, Share secrets with
14. Put your trust in
Meaning: To place confidence in someone or something
In a Sentence: We put our trust in the guide to lead us through the jungle.
Other Ways to Say: Rely on, Believe in
15. With all my heart
Meaning: Completely and sincerely
In a Sentence: I trust her with all my heart.
Other Ways to Say: Fully, Without reservation
16. Hand in hand
Meaning: In close cooperation or trust
In a Sentence: Success and trust often go hand in hand.
Other Ways to Say: Side by side, Together
17. Stand by someone
Meaning: Remain loyal to someone
In a Sentence: She stood by me when everyone else left.
Other Ways to Say: Support, Remain loyal
18. Live up to expectations
Meaning: Meet the level of trust placed in you
In a Sentence: He lived up to our trust and delivered perfectly.
Other Ways to Say: Meet expectations, Prove reliable
19. Seal of approval
Meaning: Trusted endorsement
In a Sentence: The manager gave the new policy his seal of approval.
Other Ways to Say: Green light, Trusted backing
20. In good faith
Meaning: With honest intentions
In a Sentence: I entered the agreement in good faith.
Other Ways to Say: Sincerely, Honestly
21. Cross my heart
Meaning: A serious promise or vow
In a Sentence: I didn’t touch your phone—cross my heart!
Other Ways to Say: Swear, Promise sincerely
22. As sure as the sun rises
Meaning: Absolutely trustworthy or certain
In a Sentence: He’ll be there on time, as sure as the sun rises.
Other Ways to Say: No doubt, Guaranteed
23. Come through
Meaning: Fulfill a promise or expectation
In a Sentence: When I needed help, he came through.
Other Ways to Say: Deliver, Fulfill
24. Prove one’s mettle
Meaning: Show reliability in difficult times
In a Sentence: She proved her mettle during the crisis.
Other Ways to Say: Show courage, Demonstrate trustworthiness
25. True blue
Meaning: Loyal and trustworthy
In a Sentence: My dog is true blue—always by my side.
Other Ways to Say: Loyal, Faithful
26. Like clockwork
Meaning: Dependable and predictable
In a Sentence: His reports arrive like clockwork.
Other Ways to Say: On time, Without fail
27. You can bank on it
Meaning: You can rely on it with certainty
In a Sentence: If she says she’ll do it, you can bank on it.
Other Ways to Say: Count on it, Rest assured
28. Leave it in someone’s hands
Meaning: Trust someone to take care of something
In a Sentence: I’ll leave the details in your hands.
Other Ways to Say: Delegate, Entrust
29. A leap of faith
Meaning: Trusting without full evidence
In a Sentence: Starting this business was a leap of faith.
Other Ways to Say: Bold trust, Risky belief
30. Take the plunge
Meaning: Do something even if unsure of the outcome
In a Sentence: I wasn’t sure about the new role, but I took the plunge.
Other Ways to Say: Go for it, Trust and act
31. Put it in writing
Meaning: Make a trust-based agreement official
In a Sentence: I trust you, but let’s put it in writing.
Other Ways to Say: Make official, Write it down
32. Rest easy
Meaning: Feel confident due to trust
In a Sentence: You can rest easy; I’ve got this.
Other Ways to Say: Be assured, Relax
33. Take to heart
Meaning: Accept advice or feedback sincerely
In a Sentence: I took his advice to heart and improved.
Other Ways to Say: Heed, Truly consider
34. Play it straight
Meaning: Be honest and trustworthy
In a Sentence: We need a partner who will play it straight.
Other Ways to Say: Be honest, Play fair
35. Above board
Meaning: Honest and legal
In a Sentence: Our business is completely above board.
Other Ways to Say: Legitimate, Open
36. In someone’s corner
Meaning: Supporting and trusting someone
In a Sentence: I’m always in your corner.
Other Ways to Say: Supportive, Loyal
37. Salt of the earth
Meaning: Trustworthy, humble, good person
In a Sentence: My grandfather was the salt of the earth.
Other Ways to Say: Honest soul, Noble person
38. Lay it on the line
Meaning: Speak honestly, risking consequences
In a Sentence: I laid it on the line—I don’t trust that deal.
Other Ways to Say: Be frank, Speak plainly
39. Hold in high regard
Meaning: To deeply trust and respect someone
In a Sentence: I hold my teacher in high regard.
Other Ways to Say: Admire, Respect
40. Word of honor
Meaning: A solemn promise
In a Sentence: He gave me his word of honor to return.
Other Ways to Say: Solemn promise, Sacred vow
41. Count on
Meaning: Depend on someone
In a Sentence: I know I can count on you in tough times.
Other Ways to Say: Rely on, Trust
42. Trust but verify
Meaning: Be trusting but cautious
In a Sentence: I trust him, but I still double-check—trust but verify.
Other Ways to Say: Careful trust, Watchful confidence
43. Play it by the book
Meaning: Do things honestly by the rules
In a Sentence: We play it by the book in this office.
Other Ways to Say: Follow rules, Stick to honesty
44. In someone’s debt
Meaning: Owing someone for their trusted support
In a Sentence: I’m in your debt for believing in me.
Other Ways to Say: Grateful, Indebted
45. Put all your eggs in one basket
Meaning: To trust only one option
In a Sentence: Don’t put all your trust in one investment.
Other Ways to Say: Diversify, Don’t rely on one thing
46. Seal the deal
Meaning: Finalize something with trust
In a Sentence: We sealed the deal with a handshake.
Other Ways to Say: Confirm, Finalize
47. With open arms
Meaning: Warmly welcome and trust someone
In a Sentence: She received us with open arms.
Other Ways to Say: Warmly, Wholeheartedly
48. Shoulder to lean on
Meaning: Someone trustworthy in hard times
In a Sentence: You’ve always been my shoulder to lean on.
Other Ways to Say: Trusted support, Emotional anchor
49. Place your bets
Meaning: Put trust in a risky choice
In a Sentence: I placed my bets on this startup.
Other Ways to Say: Take a chance, Trust boldly
50. Faith that moves mountains
Meaning: Strong belief that leads to success
In a Sentence: Her trust in the mission was faith that moved mountains.
Other Ways to Say: Unshakable belief, Deep trust