bestial Get Printable Handwriting (bes-tial) 2 syllables Rhymes Learn It! Spelling Test Definition adjective. like a beast esp. in brutality or order of intelligence. Example Sentence The treatment of the farm animals was bestial. Synonyms beastly; brute; brutish; truculent Antonyms humane Rhymes Two Syllable Rhymes (1) bestial Three Syllable Rhymes (1) celestial Share with your friends: