/ Thesaurus / S Synonyms of shitless Find synonyms for: Adjective1. shitless, afraid(predicate) (vs. unafraid)usage: extremely frightened; "he was scared shitless"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language