In Kantian philosophy, based on those elements of experience which derive not from sense data but from the inherent organizing functions of the mind, and which are the necessary conditions of human knowledge; transcending sense experience but not knowledge
implies bad judgment, willfulness, prejudice, etc. as responsible for that which is not justified by reason unreasonable demands
implies mental unsoundness or may be used to stress the utterly illogical nature of that which is directly contrary to reason an irrational belief that everybody was his enemy
Find another word for irrational. In this page you can discover 67 synonyms, antonyms, idiomatic expressions, and related words for irrational, like: unbounded, unwise, specious, foolish, stupid, surreal, untenable, senseless, alogical, asinine and crazy.