SUPERSONIC Scrabble 14 Words With Friends 18 Definition adjective (of speed) greater than the speed of sound in a given medium (especially air). adjective having frequencies above those of audible sound. — synonyms: ultrasonic Anagrams of SUPERSONIC percussion See all 659 words you can make from SUPERSONIC → 10-letter words Words starting with S Words ending with C ← Unscramble different letters