Grade 4 operate Get Printable Handwriting (op-er-ate) 3 syllables Rhymes Learn It! Spelling Test Definition verb. 1 handle and cause to function 2 perform as expected when applied 3 happen 4 perform surgery on Example Sentence I learned to operate the washing machine. Synonyms run; direct; work Antonyms watch Rhymes Three Syllable Rhymes (1) operate Four Syllable Rhymes (1) cooperate Share with your friends: