/ Thesaurus / J Synonyms of jeopardise Find synonyms for: Verb1. endanger, jeopardize, jeopardise, menace, threaten, imperil, peril, exist, beusage: pose a threat to; present a danger to; "The pollution is endangering the crops"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language