/ Thesaurus / N Synonyms of nonrational Find synonyms for: Adjective1. nonrational, irrational (vs. rational)usage: not based on reason; "there is a great deal that is nonrational in modern culture"2. intuitive, nonrational, visceral, illogical (vs. logical), unlogicalusage: obtained through intuition rather than from reasoning or observationWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: anecdote Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language