primates Get Printable Handwriting (Pri-ma-tes) 3 syllables Rhymes Learn It! Spelling Test Definition noun. a group of mammals that includes monkeys, apes, and humans Example Sentence Monkeys and apes are examples of primates. Synonyms apes; monkeys; humans Antonyms reptiles; birds Rhymes Two Syllable Rhymes (1) primates Share with your friends: