Prolonged Prolonged synonyms extended prolonged and extended protracted prolonged and protracted lengthy prolonged and lengthy drawn-out prolonged and drawn-out long prolonged and long lengthened prolonged and lengthened elongated prolonged and elongated long-drawn-out prolonged and long-drawn-out sustained prolonged and sustained overlong prolonged and overlong Full list of synonyms (565) Prolonged antonyms shortened prolonged and shortened If you known antonyms for Prolonged, then you can share it. Suggest antonym for Prolonged Share this picture Share this image