| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| Main Entry: | rare |
| Part of Speech: | adjective |
| Definition: | exceptional, infrequent |
| Synonyms: | attenuate, attenuated, deficient, extraordinary, few, few and far between, flimsy, inconceivable, isolated, light, limited, occasional, out of the ordinary, rarefied, recherché, scanty, scarce, scattered, seldom, semioccasional, short, singular, sparse, sporadic, strange, subtile, subtle, tenuous, thin, uncommon, unfrequent, unheard of, unimaginable, unique, unlikely, unthinkable, unusual, unwonted |
| Notes: | rare means not widely known or recurring only at long intervals or not widely distributed; scarce means not enough or deficient in quantity or number compared with the demand |
| Antonyms: | common, frequent, regular, typical, usual |