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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | not probable |
| Synonyms: | absurd, contrary, doubtful, dubious, faint, implausible, improbable, inconceivable, incredible, not likely, out of the ordinary, outside chance, questionable, rare, remote, slight, strange, unbelievable, unconvincing, unheard-of, unimaginable, untoward |
| Antonyms: | imaginable, likely, probably |
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 by the Philip Lief Group.
Cite This Source
| Main Entry: | dubious |
| Part of Speech: | adjective |
| Definition: | doubtful |
| Synonyms: | arguable, chancy, debatable, diffident, disputable, dubitable, equivocal, far-fetched, fishy, fly-by-night, hesitant, iffy, improbable, indecisive, moot, mootable, open, perplexed, problematic, questionable, reluctant, shady, skeptical, suspect, suspicious, touch and go, trustless, unassured, uncertain, unclear, unconvinced, undecided, undependable, unlikely, unreliable, unsure, untrustworthy, untrusty, wavering |
| Notes: | a person is capable of doubting, whereas a thing is dubitable; dubious, unlike doubtful, carries the connotation of suspicion |
| Antonyms: | certain, definite, doubtless, positive, reliable, sure, trustworthy, trusty, undoubtful |
| Main Entry: | fantastic |
| Part of Speech: | adjective |
| Definition: | strange, different; imaginary |
| Synonyms: | absurd, artificial, capricious, chimerical, comical, crazy, eccentric, erratic, exotic, extravagant, extreme, fanciful, far-fetched, fictional, foolish, foreign, freakish, grotesque, hallucinatory, illusive, imaginative, implausible, incredible, insane, irrational, ludicrous, mad, misleading, nonsensical, odd, out of sight, outlandish, peculiar, phantasmagorical, preposterous, quaint, queer, ridiculous, singular, suppositious, unbelievable, unlikely, unreal, wacky*, weird, whimsical |
| Antonyms: | common, commonplace, conventional, customary, familiar, ordinary, plain, usual |
* = informal/non-formal usage
| Main Entry: | far-fetched |
| Part of Speech: | adjective |
| Definition: | hard to believe |
| Synonyms: | bizarre, doubtful, dubious, eccentric, fantastic, fishy, forced, hard to swallow, illogical, implausible, improbable, incoherent, inconsequential, incredible, labored, preposterous, queer, recondite, strained, strange, suspicious, unbelievable, unconvincing, unlikely, unnatural, unrealistic |
| Antonyms: | believable, natural, plausible, realistic |
| Main Entry: | fishy |
| Part of Speech: | adjective |
| Definition: | doubtful, suspicious |
| Synonyms: | ambiguous, doubtable, dubious, dubitable, equivocal, far-fetched, funny, implausible, improbable, odd, problematic, queer, questionable, shady, suspect, uncertain, unlikely |
| Antonyms: | aboveboard, honest, likely, probable, real, truthful, unquestionable, unsuspicious |
| Main Entry: | improbable |
| Part of Speech: | adjective |
| Definition: | not likely |
| Synonyms: | doubtful, dubious, fanciful, far-fetched, flimsy*, hundred-to-one, iffy, implausible, inconceivable, not expected, outside chance, questionable, rare, slim, slim and none, unbelievable, uncertain, unconvincing, unheard of, unimaginable, unlikely, unsubstantial, weak |
| Antonyms: | believable, likely, ostensible, plausible, possible, probable, tenable |
* = informal/non-formal usage
| Main Entry: | inconceivable |
| Part of Speech: | adjective |
| Definition: | beyond reason, belief |
| Synonyms: | extraordinary, fantastic, incomprehensible, implausible, impossible, improbable, incogitable, incredible, insupposable, mind-boggling, phony, rare, reachy, staggering, strange, thin*, unbelievable, unconvincing, unheard-of, unimaginable, unknowable, unlikely, unsubstantial, unthinkable, weak*, won't fly, won't wash |
| Antonyms: | believable, conceivable, fathomable, imaginable, reasonable |
* = informal/non-formal usage
| Main Entry: | marvelous |
| Part of Speech: | adjective |
| Definition: | hard to believe; amazing |
| Synonyms: | astonishing, astounding, awe-inspiring, awesome, awful, bewildering, breathtaking, confounding, difficult to believe, extraordinary, fabulous, fantastic, implausible, improbable, incomprehensible, inconceivable, incredible, miraculous, phenomenal, prodigious, remarkable, singular, spectacular, staggering, strange, striking, stunning, stupendous, supernatural, surprising, unbelievable, unimaginable, unlikely, unusual, wonderful, wondrous |
| Antonyms: | believable, expected, ordinary, plain, unamazing |
| Main Entry: | outside |
| Part of Speech: | adjective |
| Definition: | slight, slim |
| Synonyms: | distant, faint, far, marginal, negligible, off, remote, slender, small, unlikely |
| Antonyms: | certain, definite, good, likely, sure |
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
