LONG ISLAND SOUND(noun) Did you mean: Rhymes Also try: longsoundislandDefinitions There is 1 meaning of the phrase Long Island Sound. Long Island Sound - as a noun A sound between long island and connecticut Word Variations & RelationsStarts L Starts LO Starts LON Starts LONG Ends D Ends ND Ends UND Ends OUND Starts L & ends D Starts LO & ends D Starts L & ends ND A-Z Proximitieslonesomely 15lonesomeness 14lonesomenesses 16lonesomes 11long 5 Long Island Sound long-actinglong-agolong-armedlong-beardlong-bodied