/ Thesaurus / D Synonyms of discovered check Find synonyms for: Noun1. discovered check, checkusage: a check on the opponent's king that is delivered by moving a piece out of the line of attack by a queen or rook or bishopWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language