GRE TOEFL IELTS prosperous Definition Flourishing financially; successful and rich. Example "The prosperous business owner donated generously to charity." Sign in to save GRE Quiz → TOEFL Quiz → IELTS Quiz → ← prosperity prostrate → Study tips featuring "prosperous" Audit Your Own Writing to Find Gaps Write GRE Words Into Your Own Sentences TOEFL Academic Vocabulary: Study by Topic Related words GRE swill GRE taper GRE testy GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct