nauseate Get Printable Handwriting (nau-se-ate) 3 syllables Rhymes Learn It! Spelling Test Definition verb. 1 upset and make to feel like one needs to vomit; 2 cause aversion in Example Sentence The smell of the rotting garbage began to nauseate him. Synonyms sicken; turn one's stomach; disgust; revolt; loathe Antonyms heal; like Rhymes Three Syllable Rhymes (1) nauseate Share with your friends: