Breadcrumb Home > Thesaurus Cite Synonyms of cyst Find synonyms for: Noun1. cyst, pathologyusage: a closed sac that develops abnormally in some body structure2. vesicle, cyst, sacusage: a small anatomically normal sac or bladderlike structure (especially one containing fluid)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.See also: cyst (Dictionary) Related Content Daily Word Quiz: occultation Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language Synonyms Index