Synonyms of fallacious in English:

fallacious


See US English definition of fallacious

See UK English definition of fallacious

See Spanish definition of erróneo

adjective

1‘the fallacious assumption underlying this reasoning’

SYNONYMS
erroneous, false, untrue, wrong, incorrect, faulty, flawed, inaccurate, inexact, imprecise, mistaken, misinformed, misguided, misleading, deceptive, delusive, delusory, illusory, sophistic, specious, fictitious, spurious, fabricated, distorted, made up, trumped up
baseless, groundless, unfounded, foundationless, unsubstantiated, unproven, unsupported, uncorroborated, ill-founded, without basis, without foundation
informal bogus, phoney, iffy, dicey, full of holes, off beam, way off beam
British informal dodgy
ANTONYMS

true, correct