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