expounded Get Printable Handwriting Rhymes Learn It! Spelling Test Definition verb. to explain or talk about something in detail Example Sentence He expounded on his favorite book. Synonyms elaborate; clarify; discuss Antonyms simplify; summarize Rhymes Two Syllable Rhymes (7) bounded founded grounded hounded pounded rounded sounded Three Syllable Rhymes (11) abounded astounded compounded confounded expounded impounded propounded rebounded surrounded unbounded unfounded Share with your friends: