/ Thesaurus / Y Synonyms of yellow jack Find synonyms for: Noun1. yellow jack, yellow fever, black vomit, infectious diseaseusage: caused by a flavivirus transmitted by a mosquito2. yellow jack, flagusage: yellow flag hoist on a ship in quarantine3. yellow jack, Caranx bartholomaei, jackusage: fish of western Atlantic and Gulf of MexicoWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language