Grade 10 prolonged Get Printable Handwriting Rhymes Learn It! Spelling Test Definition verb. lengthen in time or duration Example Sentence She napped for a prolonged period of time. Synonyms extend; lengthen; draw out; sustain; keep up Antonyms shorten Rhymes One Syllable Rhymes (4) longed pronged thronged wronged Two Syllable Rhymes (2) belonged prolonged Share with your friends: