Thesaurus
fallacious
adjective
Synonyms and Antonyms of FALLACIOUS
1
not using or following good reasoning <it's fallacious to say that something must exist because science hasn't proven its nonexistence>
Synonyms fallacious, illegitimate, inconsequent, inconsequential, invalid, irrational, nonrational, unreasonable, unreasoning, unsound, weak
Related Words eristic (also eristical), misleading, sophistic (or sophistical), specious; half-baked, ill-advised, misguided, unconsidered, unreasoned; inconsistent; absurd, asinine, foolish, meaningless, nonsensical, preposterous, reasonless, senseless, silly; Kafkaesque, odd, peculiar, strange, surreal, unusual, weird; insane, mad, nutty, wacky (also whacky); disordered, disorganized, rambling, random; unconvincing; inexplicable, unaccountable, unexplainable
Near Antonyms commonsense, sane, sensible, sober, wise; enlightened, informed, just, justified, reasoned; ordered, organized; clear, cogent, compelling, convincing, credible, persuasive, plausible, satisfying, solid; certain, sure, true; confirmed, corroborated, demonstrated, established, substantiated, validated
2
tending or having power to deceive <consumers who harbor the fallacious belief that credit-card spending will never catch up with them>
Synonyms beguiling, deceitful, deceiving, deluding, delusive, delusory, fallacious, false, misleading, specious
Related Words artful, crafty, cunning, devious, foxy, guileful, shady, shifty, slick, sly, sneaking, sneaky, subtile, subtle, trick, trickish, tricky, underhand, underhanded, wily; inaccurate, incorrect, wrong; bewildering, confounding, distracting, perplexing, puzzling; ambidextrous, crooked, defrauding, dishonest, dissembling, double-dealing, duplicitous, faithless, fast, fraudulent, knavish, lying, mendacious, untrustworthy, untruthful; bogus, counterfeit, fake, feigned, forged, jive [slang], phony (also phoney), sham, spurious; insidious, perfidious, treacherous; ambiguous, circuitous, equivocal, evasive; artificial, backhanded, hypocritical, insincere, left-handed, two-faced
Near Antonyms candid, direct, foursquare, frank, free-spoken, open, openhearted, outspoken, plain, plainspoken, straight; clarifying, elucidative, explanatory, illuminating; revealing, revelatory; honest, trustworthy, truthful
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