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trust

American  
[truhst] / trʌst /

noun

  • trusts
    plural
  1. reliance on the integrity, strength, ability, surety, etc., of a person or thing; confidence.

    Synonyms:
    faith, belief, certainty
  2. confident expectation of something; hope.

  3. confidence in the certainty of future payment for property or goods received; credit.

    to sell merchandise on trust.

  4. a person on whom or thing on which one relies.

    God is my trust.

  5. the condition of one to whom something has been entrusted.

  6. the obligation or responsibility imposed on a person in whom confidence or authority is placed.

    a position of trust.

  7. charge, custody, or care.

    to leave valuables in someone's trust.

  8. something committed or entrusted to one's care for use or safekeeping, as an office, duty, or the like; responsibility; charge.

    Synonyms:
    commission, commitment
  9. Law.

    1. a fiduciary relationship in which one person (the trustee) holds the title to property (the trust estate or trust property) for the benefit of another (the beneficiary).

    2. the property or funds so held.

  10. Commerce.

    1. an illegal combination of industrial or commercial companies in which the stock of the constituent companies is controlled by a central board of trustees, a group of people who have assumed the authority to supervise the affairs of the constituent companies, thus making it possible to manage the companies so as to minimize production costs, control prices, eliminate competition, etc.

    2. any large industrial or commercial corporation or combination having a monopolistic or semimonopolistic control over the production of some commodity or service.

  11. Archaic. reliability.


adjective

  1. Law. of or relating to trusts or a trust.

verb (used without object)

  • trusts,
    present (3rd person singular)
  • trusted,
    past participle,  past
  • trusting
    present participle
  1. to rely upon or place confidence in someone or something (usually followed by in orto ).

    to trust in another's honesty; trusting to luck.

  2. to have confidence; hope.

    Things work out if one only trusts.

  3. to sell merchandise on credit.

verb (used with object)

  • trusts,
    present (3rd person singular)
  • trusted,
    past participle,  past
  • trusting
    present participle
  1. to have trust or confidence in; rely or depend on.

  2. to believe.

    Synonyms:
    credit
  3. to expect confidently; hope (usually followed by a clause or infinitive as object).

    trusting the job would soon be finished; trusting to find oil on the land.

  4. to commit or consign with trust or confidence.

    Synonyms:
    entrust
  5. to permit to remain or go somewhere or to do something without fear of consequences.

    He does not trust his children out of his sight.

  6. to invest with a trust; entrust or charge with the responsibility for something.

    We trust her to improve the finances of the company within the year.

  7. to give credit to (a person) for goods, services, etc., supplied.

    Will you trust us till payday?

verb phrase

  1. trust to to rely on; trust.

    Never trust to luck!

idioms

  1. in trust, in the position of being left in the care or guardianship of another.

    She left money to her uncle to keep in trust for her children.

trust British  
/ trʌst /

noun

  1. reliance on and confidence in the truth, worth, reliability, etc, of a person or thing; faith

  2. a group of commercial enterprises combined to monopolize and control the market for any commodity: illegal in the US

  3. the obligation of someone in a responsible position

    a position of trust

  4. custody, charge, or care

    a child placed in my trust

  5. a person or thing in which confidence or faith is placed

  6. commercial credit

    1. an arrangement whereby a person to whom the legal title to property is conveyed (the trustee) holds such property for the benefit of those entitled to the beneficial interest

    2. property that is the subject of such an arrangement

    3. the confidence put in the trustee

  7. (in the British National Health Service) a self-governing hospital, group of hospitals, or other body providing health-care services, which operates as an independent commercial unit within the NHS

  8. See trust company trust account

  9. (modifier) of or relating to a trust or trusts

    trust property

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. (tr; may take a clause as object) to expect, hope, or suppose

    I trust that you are well

  2. to place confidence in (someone to do something); have faith (in); rely (upon)

    I trust him to tell her

  3. (tr) to consign for care

    the child was trusted to my care

  4. (tr) to allow (someone to do something) with confidence in his or her good sense or honesty

    I trust my daughter to go

  5. (tr) to extend business credit to

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
trust Cultural  
  1. A combination of firms or corporations for the purpose of reducing competition and controlling prices throughout a business or industry. Trusts are generally prohibited or restricted by antitrust legislation. (Compare monopoly.)


trust More Idioms  

Synonym Usage

Trust, assurance, confidence imply a feeling of security. Trust implies instinctive unquestioning belief in and reliance upon something: to have trust in one's parents. Confidence implies conscious trust because of good reasons, definite evidence, or past experience: to have confidence in the outcome of events. Assurance implies absolute confidence and certainty: to feel an assurance of victory.

Other Word Forms

Derived Forms

Inflected Forms

Nouns

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of trust

First recorded in 1175–1225; Middle English noun from Old Norse traust “trust” (cognate with German Trost “comfort”); Middle English verb trusten, from Old Norse treysta, derivative of traust

Explanation

If you trust someone then you believe that they’re honest and reliable. If you loan your car to someone, you had better trust them to bring it back to you, and in good shape. Trust takes many forms. You could trust in something abstract, like the idea that things happen for a reason. If you are naïve, people might take advantage of your trust. A trust can also be a fund or an alliance meant to take care of something. A trust fund gives money to some lucky trustee so that he doesn’t need to worry about employment. A wildlife trust saves land from development so animals can live there.

Keep Reading on Vocabulary.com

Vocabulary lists containing trust

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

When contact is established, scammers work to build trust through flattery, shared personal experiences, romantic interest, fake testimonials and, yes, promises of love or money, the bureau adds.

From MarketWatch Sep. 14, 2026

Real-estate investment trust Vici Properties had the largest deal in the period with its acquisition of seven casino locations from Golden Entertainment for $1.16 billion.

From The Wall Street Journal Sep. 14, 2026

They then take their sweet time “fattening up” their marks, cultivating trust and gradually feeding them promises of bigger and better returns.

From MarketWatch Sep. 14, 2026

It was only in 2025, when cancer cases at the trust connected to Brown were being reviewed, that she learned the truth.

From BBC Sep. 13, 2026

“Can we trust him?” asks Colin as we climb the stairs.

From "The Bletchley Riddle" by Ruta Sepetys and Steve Sheinkin

But inside the brain trusts of Silicon Valley, billions of investor dollars and years of tortured rationalist arguments are clouding a similar argument about artificial intelligence.

From Salon Sep. 12, 2026

NHS Resolution, which supports NHS trusts with clinical negligence claims, said it was taking action on the "high volume" of claims and has published reports to help the NHS learn from mistakes.

From BBC Sep. 8, 2026

Irrevocable first-party special-needs trusts must be established by a parent, grandparent or guardian of the person with disabilities, or by the court, Fidelity adds.

From MarketWatch Sep. 2, 2026

Lawyers for Laura Overdeck are pushing the judge overseeing the trial to make more details public, including those from the couple’s tax returns and their various trusts.

From The Wall Street Journal Sep. 2, 2026

Especially when Alyssa trusts him a whole lot more than she trusts me.

From "Dry" by Neal Shusterman and Jarrod Shusterman

Like my colleague, former Daily News columnist Juan Gonzalez, I never trusted then-Environmental Protection Agency Administrator Christie Todd Whitman when she proclaimed the air in lower Manhattan was “safe to breathe.”

From Salon Sep. 11, 2026

A trusted lawyer, banker or fiduciary with durable power of attorney would have specific tasks to fulfill.

From MarketWatch Sep. 9, 2026

We’re grateful that she trusted us to share intimate details of her life with the public.

From The Wall Street Journal Sep. 9, 2026

Tice said he "trusted our councillors to make those judgements themselves".

From BBC Sep. 1, 2026

Somehow, my mom still trusted them and never did install that fridge lock she’d threatened.

From "Legendary Frybread Drive-In" by Cynthia Leitich Smith

But trusting political candidates, she mused, can feel like a risk for voters.

From Los Angeles Times Sep. 13, 2026

Lucas shared the clip to bolster her argument that humans are too trusting of AI and everyone should limit their usage of the technology.

From The Wall Street Journal Sep. 12, 2026

"European football is physical and top teams are trying to win the ball back high, trusting their defenders and midfielders to defend man for man to win their battles."

From BBC Sep. 4, 2026

Three men reminds a girl that she’s committed only to trusting her own best judgment.

From Los Angeles Times Sep. 2, 2026

Then, not trusting my own eyes, I read it over again.

From "The City Beautiful" by Aden Polydoros

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