restful Get Printable Handwriting (rest-ful) 2 syllables Rhymes Learn It! Spelling Test Definition adjective. 1 giving rest; 2 peaceful and quiet. Example Sentence I had a very restful weekend. Synonyms calm; easy; peaceful; quiet; serene; tranquil Antonyms restless; exciting Rhymes Two Syllable Rhymes (3) restful westphal zestful Share with your friends: