suffocate Get Printable Handwriting (suf-fo-cate) 3 syllables Rhymes Learn It! Spelling Test Definition verb. to kill or die by stopping access to air. Example Sentence A baby may suffocate if it sleeps with a pillow. Synonyms smother; choke; asphyxiate; drown Antonyms free; let go; loose; allowing to breathe Rhymes Three Syllable Rhymes (1) suffocate Share with your friends: