Dictionary.com
Thesaurus.com
Showing results for mistrustful. Search instead for mistrustfully.
Synonyms

mistrustful

American  
[mis-truhst-fuhl] / mɪsˈtrʌst fəl /

adjective

  1. full of mistrust; suspicious.


Other Word Forms

  • mistrustfully adverb
  • mistrustfulness noun
  • unmistrustful adjective
  • unmistrustfully adverb

Etymology

Origin of mistrustful

First recorded in 1520–30; mistrust + -ful

Explanation

When you're mistrustful, you have a sneaking suspicion that you should be wary of someone or something. If you're mistrustful of clowns, you keep your distance from them at birthday parties and circuses. If someone is mistrustful, they have a general lack of trust, or a suspicion. You might be mistrustful of things you read online, or mistrustful of teachers who assure you an assignment will be fun, or mistrustful of unfamiliar new foods. This adjective is very closely related to distrustful, although being distrustful is typically based on experience, while being mistrustful is more likely caused by a general sense that something's not trustworthy.

Keep Reading on Vocabulary.com

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.

In no small part, Kirk helped fashion the world in which we now find ourselves: Divided, angry, mistrustful of our neighbors and their motives, and at the very least, increasingly violent in rhetoric.

From Salon • Sep. 11, 2025

When he sought to set up his company’s flagship inn in the predominantly Arab northern Israeli town of Nazareth in 2005, the structure’s Palestinian owners were at first deeply mistrustful.

From Los Angeles Times • Nov. 6, 2023

The announcement raised concerns in Washington from lawmakers who are mistrustful of the kingdom and critical of its human rights record.

From Reuters • Sep. 27, 2023

Sentencing Hinchcliffe, of Songthrush Way, Wath upon Dearne, Judge Robin Mairs told him his conduct "betrays your fellow officers who do a decent, committed job and makes women mistrustful of the police force".

From BBC • Mar. 31, 2023

They are generally speaking as mistrustful of wizards as they are of Muggles and indeed seem to make little differentiation between us.

From "Fantastic Beasts and Where to Find Them" by J.K. Rowling