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fallacious - 20 thesaurus results
| Main Entry: | fallacious |
| Part of Speech: | adjective |
| Definition: | false, wrong |
| Synonyms: | deceptive, delusive, erroneous, fictitious, fishy*, fraudulent, illogical, illusory, incorrect, invalid, irrational, mad, misleading, mistaken, off*, phony, spurious, unfounded, unreal, unreasonable, unsound, untrue, beguiling, deceiving, deluding, delusory, reasonless, sophistic, sophistical, ungrounded, unreasoned, way off |
| Notes: | fallacious means intended to deceive; fallible means liable to make a mistake or to be inaccurate or erroneous; false means not in accordance with the fact or reality or actuality, or deliberately deceptive, or not genuine or real |
| Antonyms: | correct, real, true, truthful |
* = informal/non-formal usage
| Main Entry: | amiss |
| Part of Speech: | adjective |
| Definition: | wrong; defective |
| Synonyms: | awry, bad, confused, crooked, erring, erroneous, fallacious, false, faulty, foul, haywire, imperfect, improper, inaccurate, inappropriate, incorrect, mistaken, out of order, sick, unfair, unlawful, unsuitable, untoward, flawed, glitched up |
| Antonyms: | good, right |
| Main Entry: | deceitful |
| Part of Speech: | adjective |
| Definition: | dishonest, insincere |
| Synonyms: | artful, astute, clandestine, counterfeit, crafty, cunning, deceptive, delusive, designing, disingenuous, double-dealing, duplicitous, fallacious, false, feline, foxy, fraudulent, furtive, hypocritical, illusory, indirect, insidious, knavish, lying, mendacious, misleading, rascal, roguish, shifty, slick, sly, sneaky, stealthy, subtle, treacherous, tricky, two-faced*, underhand, underhanded, untrustworthy, untruthful, wily, astucious, beguiling, deceiving, delusory, guileful, impostrous |
| Antonyms: | faithful, frank, honest, loyal, open, sincere, trustworthy, truthful, upright |
* = informal/non-formal usage
| Main Entry: | deceptive |
| Part of Speech: | adjective |
| Definition: | dishonest |
| Synonyms: | ambiguous, bum*, catchy, crafty, cunning, deceitful, delusive, designing, disingenuous, fake, fallacious, false, fishy, foxy, fraudulent, illusory, indirect, insidious, lying, misleading, mock, oblique, off*, phony, plausible, rascal, roguish, scheming, seeming, serpentine, shifty, slick, slippery, sly, sneaky, snide, specious, spurious, subtle, treacherous, tricky, two-faced*, underhand, underhanded, unreliable, wily, astucious, beguiling, deceiving, deluding, delusory, imposturous |
| Antonyms: | forthright, frank, honest, open, truthful, upright |
* = informal/non-formal usage
| Main Entry: | delusive |
| Part of Speech: | adjective |
| Definition: | deceptive |
| Synonyms: | apparent, chimerical, fallacious, false, fanciful, fantastic, illusive, illusory, imaginary, misleading, ostensible, quixotic, seeming, specious, spurious, visionary, beguiling, deceiving, deluding |
| Antonyms: | actual, certain, factual, honest, real, truthful |
| Main Entry: | elusive |
| Part of Speech: | adjective |
| Definition: | evasive, mysterious |
| Synonyms: | ambiguous, baffling, cagey, deceitful, deceptive, equivocal, evanescent, fallacious, fleeting, fraudulent, fugitive, greasy, illusory, incomprehensible, insubstantial, intangible, misleading, occult, phantom, puzzling, shifty, shy, slippery, subtle, transient, transitory, tricky, volatile, difficult to catch, elusory, fugacious, imponderable, indefinable, stonewalling, unspecific |
| Antonyms: | confronting, facing, inviting, attracting, encountering, enticing |
| Main Entry: | erroneous |
| Part of Speech: | adjective |
| Definition: | wrong, incorrect |
| Synonyms: | amiss, askew, awry, defective, fallacious, false, faulty, inaccurate, inexact, invalid, misguided, mistaken, off, specious, spurious, unfounded, unsound, untrue, all off, all wet, flawed, way off, wrong number |
| Antonyms: | correct, right, true, valid |
| Main Entry: | faulty |
| Part of Speech: | adjective |
| Definition: | not working; incorrect |
| Synonyms: | adulterated, amiss, awry, bad, below par, blamable, broken, cracked, damaged, debased, defective, deficient, distorted, erroneous, fallacious, fallible, false, frail, impaired, imperfect, inaccurate, inadequate, incomplete, inexact, injured, insufficient, invalid, lame, leaky, lemon, maimed, malformed, out of order, rank, sick, tainted, unfit, unreliable, unsound, weak, wrong, blemished, botched, flawed, imprecise, malfunctioning, marred, unretentive, warped |
| Antonyms: | accurate, correct, perfect, sound, strong, working |
| Main Entry: | illogical |
| Part of Speech: | adjective |
| Definition: | not making sense |
| Synonyms: | absurd, cockeyed*, fallacious, false, fatuous, faulty, groundless, hollow, implausible, inconclusive, incongruous, inconsistent, incorrect, invalid, irrational, irrelevant, mad, meaningless, nutty*, off the wall, preposterous, screwy*, senseless, specious, spurious, unconnected, unreasonable, unscientific, unsound, unsubstantial, untenable, wacky, casuistic, inconsequent, not following, self-contradictory, sophistic, sophistical, unproved, without basis, without foundation |
| Antonyms: | correct, logical, meaningful, rational, reasonable, right, sensible |
* = informal/non-formal usage
| Main Entry: | illusory/illusive |
| Part of Speech: | adjective |
| Definition: | deceptive, false |
| Synonyms: | apparent, chimerical, deceitful, delusive, fake, fallacious, fanciful, fantastic, fictitious, ideal, imaginary, misleading, mistaken, ostensible, pseudo*, seeming, sham*, unreal, untrue, visionary, whimsical, blue-sky, delusory, fictional, fictive, hallucinatory, semblant, suppositious |
| Antonyms: | certain, factual, real, sure, true |
* = informal/non-formal usage
| Main Entry: | inaccurate |
| Part of Speech: | adjective |
| Definition: | erroneous |
| Synonyms: | all wet, careless, counterfactual, defective, discrepant, doesn't wash, fallacious, false, faulty, imprecise, in error, incorrect, inexact, mistaken, off, off base*, out*, specious, unfaithful, unreliable, unsound, untrue, way-off, wide*, wild*, wrong |
| Antonyms: | accurate, correct, right |
* = informal/non-formal usage
| Main Entry: | irrational |
| Part of Speech: | adjective |
| Definition: | illogical, senseless |
| Synonyms: | aberrant, absurd, brainless, crazy, delirious, demented, disconnected, disjointed, distraught, fallacious, flaky*, foolish, incoherent, injudicious, insane, invalid, loony*, mad, mindless, nonsensical, nutty*, preposterous, raving, ridiculous, silly, specious, stupid, unreasonable, unsound, unstable, unthinking, unwise, wacky*, wild, wrong, cockamamie, freaky, kooky, off-the-wall, reasonless, sophistic, unreasoning |
| Antonyms: | logical, rational, reasonable, reflective, sensible, sound, stable |
* = informal/non-formal usage
| Main Entry: | mendacious |
| Part of Speech: | adjective |
| Definition: | dishonest |
| Synonyms: | deceitful, deceptive, duplicitous, erroneous, fallacious, false, fraudulent, insincere, lying, perfidious, shifty, spurious, untrue, untruthful, wrong, equivocating, fibbing, paltering, perjured, prevaricating |
| Antonyms: | frank, honest, sincere, truthful |
| Main Entry: | misleading |
| Part of Speech: | adjective |
| Definition: | deceptive, confusing |
| Synonyms: | ambiguous, catchy, deceitful, delusive, disingenuous, evasive, fallacious, false, inaccurate, perplexing, puzzling, specious, spurious, tricky, wrong, beguiling, bewildering, casuistical, confounding, deceiving, deluding, delusory, demagogic, distracting, sophistical |
| Antonyms: | honest, truthful |
| Main Entry: | mistaken |
| Part of Speech: | adjective |
| Definition: | wrong, incorrect |
| Synonyms: | at fault, confounded, confused, deceived, deluded, erroneous, fallacious, false, faulty, fooled, ill-advised, illogical, inaccurate, inappropriate, misguided, misled, misunderstanding, off base*, unadvised, unfounded, unreal, unsound, untrue, warranted, all wet, barking up wrong tree, confused with, duped, misconstrued, misinformed, misinterpreting, misjudging, off track, tricked, under wrong impression, way off, wide of mark, wrong number, wrongly identified |
| Antonyms: | correct, exact, fair, just, precise, right, sound, true |
* = informal/non-formal usage
| Main Entry: | specious |
| Part of Speech: | adjective |
| Definition: | misleading |
| Synonyms: | apparent, captious, credible, deceptive, delusive, empty, erroneous, fallacious, false, flattering, hollow, idle, illogical, inaccurate, incorrect, likely, nugatory, ostensible, ostentatious, plausible, presumable, presumptive, pretentious, probable, seeming, sophisticated, spurious, unsound, untrue, vain, wrong, apparently right, beguiling, casuistic, colorable, sophistic, sophistical |
| Antonyms: | real, true, valid |
| Main Entry: | unfounded |
| Part of Speech: | adjective |
| Definition: | not based on fact |
| Synonyms: | baseless, bottomless, deceptive, fallacious, false, gratuitous, groundless, idle, illogical, mendacious, misleading, spurious, trumped up*, uncalled-for, unjustified, unreal, unsubstantiated, untrue, untruthful, unwarranted, vain, fabricated, foundationless, off-base, unproven, without basis, without foundation |
| Antonyms: | founded, supported, justified, proven, substantiated |
* = informal/non-formal usage
| Main Entry: | unsound |
| Part of Speech: | adjective |
| Definition: | not well; flimsy |
| Synonyms: | ailing, crazed, dangerous, decrepit, defective, delicate, demented, deranged, diseased, erroneous, fallacious, false, faulty, fragile, frail, ill, illogical, inaccurate, incongruous, incorrect, infirm, insane, insecure, insubstantial, invalid, lunatic, mad, rickety, shaky, specious, unbalanced, unhealthy, unhinged, unreliable, unsafe, unstable, unsteady, unsubstantial, unwell, weak, wobbly, flawed, in poor health, not solid, tottering, unbacked |
| Antonyms: | safe, sound, stable, strong, well |
| Main Entry: | untrue |
| Part of Speech: | adjective |
| Definition: | dishonest |
| Synonyms: | apocryphal, cheating, deceitful, deceptive, delusive, deviant, disloyal, distorted, erroneous, faithless, fallacious, false, fictitious, hollow, inaccurate, inconstant, incorrect, inexact, lying, meretricious, misleading, mistaken, off*, perfidious, recreant, sham*, specious, spurious, traitorous, treacherous, two-faced*, unfaithful, unsound, untrustworthy, untruthful, wide, wrong, counterfactual, dissembling, forsworn, imprecise, out of line, perjured, prevaricating, unloyal |
| Antonyms: | faithful, honest, true |
* = informal/non-formal usage
| Main Entry: | illusory |
| Part of Speech: | adjective |
| Definition: | deceptive |
| Synonyms: | apparent, chimerical, deceitful, delusive, fallacious, false, fanciful, fantastic, fictitious, float, ideal, illusive, imaginary, misleading, mistaken, ostensible, pipe dream, seeming, sham, unreal, untrue, visionary, whimsical, Barmecidal, blue sky, delusory, fictional, fictive, hallucinatory, semblant, suppositious, supposititious |
| Antonyms: | genuine, real |
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Copyright © 2009, Dictionary.com, LLC. All rights reserved.
