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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | doubtful, uncertain |
| Synonyms: | ambiguous, apocryphal, arguable, contingent, controversial, controvertible, cryptic, debatable, disputable, dubious, dubitable, enigmatic, equivocal, fishy, hard to believe, hypothetical, iffy, indecisive, indefinite, indeterminate, moot, mysterious, obscure, occult, open to doubt, open to question, oracular, paradoxical, problematic, problematical, provisional, shady, suspect, suspicious, unconfirmed, undefined, under advisement, under examination, unproven, unreliable, unsettled, vague |
| Notes: | questionable means open to doubt, disagreement, or challenge - or of dubious morality, honesty, or respectability; questioning (adjective) means showing curiosity or inquiring about - or (noun) an inquiry or interrogation |
| Antonyms: | certain, definite, indisputable, proven, sure, undoubted, unquestionable |
| Main Entry: | unbelievable |
| Part of Speech: | adjective |
| Definition: | beyond the imagination |
| Synonyms: | astonishing, beyond belief, cockamamie, cockeyed, doubtful, dubious, far-fetched, fishy, flaky*, flimsy*, for the birds, full of holes, harebrained, implausible, impossible, improbable, incogitable, inconceivable, incredible, kooky, lamebrained, open to doubt, outlandish, past belief, phony, preposterous, questionable, reaching, scatterbrained, screwy, staggering, suspect, thick*, thin*, too much*, unconvincing, unimaginable, unsubstantial, unthinkable, weak, won't hold water, won't wash |
| Antonyms: | believable, credible, plausible, real |
* = informal/non-formal usage
| Main Entry: | unsubstantiated |
| Part of Speech: | adjective |
| Definition: | questionable, unproven |
| Synonyms: | arguable, controversial, debatable, disputable, doubtful, dubious, dubitable, fishy, hard to believe, iffy, indefinite, open to doubt, open to question, suspect, suspicious, uncertain, unconfirmed, uncorroborated, unsupported |
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
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Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
