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Showing results for questionable. Search instead for questionablen.
Definitions

questionable

[kwes-chuh-nuh-buhl] / ˈkwɛs tʃə nə bəl /
ADJECTIVE
doubtful, uncertain
Synonyms
STRONGEST
ambiguous arguable controversial debatable dubious problematic suspicious unproven vague
WEAK
apocryphal contingent controvertible cryptic disputable dubitable enigmatic equivocal fishy hard to believe hypothetical iffy indecisive indefinite indeterminate moot mysterious obscure occult open to doubt open to question oracular paradoxical problematical provisional shady suspect unconfirmed undefined under advisement under examination unreliable unsettled
Antonyms
STRONGEST
certain clear definite incontrovertible indubious sure trustworthy trusty undoubted unquestionable
WEAK
indisputable proven

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.

Its director’s past actions are more than questionable.

From Salon • Apr. 3, 2026

As we see it, the bigger challenge facing Phreesia is the continuing repricing in the market toward these types of small-cap tech names with a questionable competitive moat.

From Barron's • Mar. 31, 2026

"Like certain communities are still a bit questionable about it, but it's definitely got better," said Kamara.

From BBC • Mar. 28, 2026

Like so many questionable figures Americans came to trust in the 2000s, Dr. Oz got his start as a frequent guest on “The Oprah Winfrey Show.”

From Los Angeles Times • Mar. 26, 2026

I can’t move fast or far and my shooting abilities are questionable at best.

From "Catching Fire" by Suzanne Collins

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.