peaceful Get Printable Handwriting (peace-ful) 2 syllables Rhymes Learn It! Spelling Test Definition adjective. quiet; calm; free from war or conflict Example Sentence It is a peaceful night. Synonyms calm; placid; quiet; restful; serene; tranquil Antonyms quarrelsome; warlike; agitated; noisy; stormy Rhymes Two Syllable Rhymes (1) peaceful Share with your friends: