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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | totally unlikely |
| Synonyms: | impossible, incomprehensible, inconceivable, unimaginable, unthinkable |
| Main Entry: | impractical/impracticable |
| Part of Speech: | adjective |
| Definition: | unrealistic |
| Synonyms: | abstract, absurd, chimerical, idealistic, illogical, impossible, impracticable, improbable, inapplicable, inefficacious, infeasible, inoperable, irrealizable, ivory-tower, no-go, nonfunctional, nonviable, not a prayer, otherworldly, out of the question, quixotic, romantic, speculative, starry-eyed, theoretical, unattainable, unbusinesslike, unfeasible, unreal, unserviceable, unusable, unwise, unworkable, useless, visionary, wild, won't fly |
| Antonyms: | practicable, practical, probable, realistic, reasonable, tenable, viable |
| Main Entry: | incredible |
| Part of Speech: | adjective |
| Definition: | beyond belief |
| Synonyms: | absurd, far-fetched, fishy, flimsy*, implausible, impossible, improbable, incogitable, inconceivable, insupposable, out of the question, outlandish, phony, preposterous, questionable, ridiculous, rings phony, suspect, thin*, unbelievable, unconvincing, unimaginable, unsubstantial, untenable, unthinkable |
| Notes: | incredible means 'unbelievable' and incredulous means 'unbelieving' |
| Antonyms: | believable, credible, plausible, possible, realistic, tenable |
* = informal/non-formal usage
| Main Entry: | preposterous |
| Part of Speech: | adjective |
| Definition: | ridiculous, bizarre |
| Synonyms: | absurd, asinine, crazy, excessive, exorbitant, extravagant, extreme, fantastic, far-out, foolish, harebrained, impossible, incredible, insane, irrational, laughable, ludicrous, monstrous, nonsensical, out of the question, outrageous, senseless, shocking, silly, stupid, taking the cake, thick*, too much*, unbelievable, unreasonable, unthinkable, unusual, wacky*, wild |
| Antonyms: | reasonable, sensible |
* = informal/non-formal usage
| Main Entry: | unthinkable |
| Part of Speech: | adjective |
| Definition: | incredible, unusual |
| Synonyms: | absurd, beyond belief, beyond possibility, exceptional, extraordinary, illogical, implausible, impossible, improbable, incogitable, inconceivable, insupportable, out of the question, outlandish, preposterous, rare, singular, unbelievable, uncommon, unimaginable, unique, unlikely, unordinary, unreasonable |
| Antonyms: | believable, conceivable, credible |
| Main Entry: | unattainable |
| Part of Speech: | adjective |
| Definition: | impossible |
| Synonyms: | absurd, beyond, contrary to reason, cureless, futile, hardly possible, hopeless, hundred-to-one, impassable, impervious, impracticable, impractical, inaccessible, inconceivable, inexecutable, infeasible, insurmountable, irrealizable, irreparable, no-go, no-way, no-win, not a prayer, out of the question, preposterous, too much*, unachievable, uncorrectable, unfeasible, unimaginable, unobtainable, unrealizable, unreasonable, unrecoverable, unthinkable, unworkable, useless, visionary, way out |
* = informal/non-formal usage
| Main Entry: | unnegotiable |
| Part of Speech: | adjective |
| Definition: | impracticable |
| Synonyms: | abstract, absurd, chimerical, idealistic, illogical, impossible, impractical, improbable, inapplicable, inefficacious, infeasible, inoperable, irrealizable, ivory-tower, no-go, nonfunctional, nonviable, not a prayer, otherworldly, out of the question, quixotic, romantic, speculative, starry-eyed, theoretical, unattainable, unbusinesslike, unfeasible, unreal, unserviceable, unusable, unwise, unworkable, useless, visionary, wild, won't fly |
| Main Entry: | unrealizable |
| Part of Speech: | adjective |
| Definition: | impossible |
| Synonyms: | absurd, beyond, contrary to reason, cureless, futile, hardly possible, hopeless, hundred-to-one, impassable, impervious, impracticable, impractical, inaccessible, inconceivable, inexecutable, infeasible, insurmountable, irrealizable, irreparable, no-go, no-way, no-win, not a prayer, out of the question, preposterous, too much*, unachievable, unattainable, uncorrectable, unfeasible, unimaginable, unobtainable, unreasonable, unrecoverable, unthinkable, unworkable, useless, visionary, way out |
* = informal/non-formal usage
| Main Entry: | unusable |
| Part of Speech: | adjective |
| Definition: | impracticable |
| Synonyms: | abstract, absurd, chimerical, idealistic, illogical, impossible, impractical, improbable, inapplicable, inefficacious, infeasible, inoperable, irrealizable, ivory-tower, no-go, nonfunctional, nonviable, not a prayer, otherworldly, out of the question, quixotic, romantic, speculative, starry-eyed, theoretical, unattainable, unbusinesslike, unfeasible, unnegotiable, unreal, unwise, unworkable, useless, visionary, wild, won't fly |
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2012 by the Philip Lief Group.
Cite This Source
Copyright © 2012 by the Philip Lief Group.
Cite This Source
Dictionary.com, LLC. Copyright © 2012. All rights reserved.
