/ Thesaurus / S Synonyms of sonic boom Find synonyms for: Noun1. sonic boom, shock wave, blast waveusage: an explosive sound caused by the shock wave of an airplane traveling faster than the speed of sound; "a sonic boom follows an aircraft as a wake follows a ship"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language