Find Antonyms

untrustworthily Antonyms

Opposite of untrustworthily

Pinning down the opposite of untrustworthily requires matching its exact sense, so the antonyms and opposite words below are paired with a clear adverb definition and ranked by contrast strength.
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• adverb (Context 1)

In an untrustworthy manner; in a way that cannot be relied upon or trusted.

Usage Example

"The contractor behaved trustworthily by concealing the true cost of the repairs until the work was finished."

Strongest
trustworthily
reliably
dependably
Strong
honestly
faithfully
scrupulously

Similar words to untrustworthily

Words similar to untrustworthily shift depending on context. Common synonyms include:

unreliably
dishonestly
deceitfully
duplicitously
treacherously
perfidiously
unfaithfully
See all synonyms of untrustworthily

• Nearby Words

untrusted
untrustful
untrusting
untrustworthily
untrustworthiness
untrustworthy
untruth

Cite this Entry

Wordmom. (2026). Antonyms for Untrustworthily. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/untrustworthily
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