adjective
untrustworthy
uhn-TRUHST-wur-thee
Untrustworthy (adjective) means not deserving of trust; likely to lie, cheat, or let people down. Example: “He'd been caught lying so often that colleagues saw him as untrustworthy.”
adjective
1
Not deserving of trust; likely to lie, cheat, or let people down.
"He'd been caught lying so often that colleagues saw him as untrustworthy."
"The website flagged the source as untrustworthy."
How to use untrustworthy
Learner’s notesIn plain EnglishSomeone or something you can't rely on to be honest or reliable.
Common mistake
Don't confuse with "untrusting" — untrustworthy describes the person/thing being judged, untrusting describes the one doing the judging.
Easily confused with
untrusting
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Word forms
- Comparative
- more untrustworthy, untrustworthier
- Superlative
- most untrustworthy, untrustworthiest
Fill the gap
Can you complete this real example?
He'd been caught lying so often that colleagues saw him as _____.
Etymology
From un- (\"not\") plus trustworthy.
Synonyms
View more →
untrusty
Antonyms
Related words
Rhymes for untrustworthy
See all rhymes for untrustworthy →Frequently asked questions
What does “untrustworthy” mean?
The word “untrustworthy” means not deserving of trust; likely to lie, cheat, or let people down. In plain terms, someone or something you can't rely on to be honest or reliable.
How do you pronounce “untrustworthy”?
“Untrustworthy” is pronounced uhn-TRUHST-wur-thee (/ˌʌnˈtɹʌstˌwɜː(ɹ)ði/ in IPA).
How do you use “untrustworthy” in a sentence?
Here is “untrustworthy” used in a sentence: “He'd been caught lying so often that colleagues saw him as untrustworthy.”
What is the opposite of “untrustworthy”?
The opposite of “untrustworthy” — its antonyms — are true, accurate, sincere, faithful and reliable.
What part of speech is “untrustworthy”?
“Untrustworthy” is an adjective.
