/ Thesaurus / I Synonyms of idiosyncratic Find synonyms for: Adjective1. idiosyncratic, individual (vs. common), singleusage: peculiar to the individual; "we all have our own idiosyncratic gestures"; "Michelangelo's highly idiosyncratic style of painting"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language