tumesce Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to swell or become swollen. Example Sentence His finger began to tumesce after he hit it with a hammer. More Example Sentences Plants may tumesce after a rain. Synonyms swell; expand; inflate Antonyms shrink; deflate Hear It! Say It! Write It! tumesce Switch to cursive Start Share with your friends: