Breadcrumb Home > Thesaurus > P Synonyms of pessimistic Find synonyms for: Adjective1. pessimistic (vs. optimistic), bearish, demoralized, demoralised, discouraged, disheartened, hopeless, negativeusage: expecting the worst possible outcomeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of pessimistic (Dictionary) ✖ Related Content Daily Word Quiz: guilloche Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language