Synonyms of fallacious in English:

fallacious


See definition of fallacious

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