/ Thesaurus / A Synonyms of autistic Find synonyms for: Adjective1. autistic, ill (vs. well), sickusage: characteristic of or affected with autism; "autistic behavior"; "autistic children"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language