/ Thesaurus / K Synonyms of ko'd Find synonyms for: Adjective1. knocked out(predicate), kayoed, KO'd, out(predicate), stunned, unconscious (vs. conscious)usage: knocked unconscious by a heavy blowWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language