prospereth Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. an old form of prosper meaning to be successful. Example Sentence Be in health even as thy soul prospereth. More Example Sentences She worked hard to ensure they prospered. Synonyms succeed; thrive; flourish Antonyms fail; struggle; decline Hear It! Say It! Write It! prospereth Switch to cursive Start Share with your friends: