Here ya go Mr In.
Main Entry: irrational [ih-rash-uh-nl]
Part of Speech: adjective
Definition: illogical, senseless
Synonyms: aberrant, absurd, brainless, cockamamie, crazy, delirious, demented, disconnected, disjointed, distraught, fallacious, flaky*, foolish, freaky, incoherent, injudicious, insane, invalid, kooky, loony, mad, mindless, nonsensical, nutty, off-the-wall, preposterous, raving, reasonless, ridiculous, silly, sophistic, specious, stupid, unreasonable, unreasoning, unsound, unstable, unthinking, unwise, wacky*, wild, wrong
So you agree.