Synonyms for Illogical:
crazy, farcical, foolish, eccentric, fallacious, irrational, preposterous, contradictory, invalid, anachronistic, ridiculous, self-contradictory, paradoxical, idiotic, inane, nonsensical, ludicrous, screwy, meaningless, implausible, bizarre, silly, absurd, incongruous, impossible, outlandish, senseless, inconsistent.
garbled, disjointed, incoherent, disordered.
distorted, flawed, inaccurate, miscalculated, erroneous, botched, false, fallacious, mistaken, Misconstrued, incorrect, misjudged, misestimated, defective, marred, Misconceived, faulty.
unfounded, erroneous, Unreasoned, mistaken.
eccentric, bizarre, inconsequential, doubtful.
faulty, screwy, irrational, irrelevant, inconsistent, inconsequent, preposterous, implausible, incongruous, untenable, without basis, hollow, specious, casuistic, sophistic, not following, unproved, inconclusive, false, unsound, wacky, unscientific, without foundation, sophistical, fallacious, incorrect, nutty, self-contradictory, meaningless, absurd, groundless, senseless, spurious, fatuous, unsubstantial, unconnected, invalid, unreasonable.
vacant, mindless, vacuous, ridiculous.
without rhyme or reason.
empty-headed, mindless, vacuous, unthinking, vacant, unoccupied, blank, unthoughtful, fatuous, thoughtless, brainless, inane, unreasonable.
without foundation, without basis.
n.perverse, irresponsible, extreme, hysterical, childish. Unreasoned, reason. •illogical (noun)
disconnected, absurd, confused, disordered, incoherent, intuitive, unconnected, nonrational, garbled, visceral, unlogical, inconsequential, unreasonable, scattered, disjointed.
unscientific, inconsequent, having the cart before the horse, out of bounds, unsound, screwy, groundless, wrong, wacky, nutty, without basis, inconclusive, without rhyme or reason, biased, unproved, paralogistic, baseless, jesuitical, hollow, fallible, sophistical, far-out, irrelevant, specious, kafkaesque, not following, not ringing true, prejudiced, untenable, casuistic, dopey, without foundation, unsubstantial.