/ Thesaurus / S Synonyms of storm signal Find synonyms for: Noun1. storm signal, signal, signaling, signusage: a signal announcing the approach of a storm (particularly a storm of marked violence)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language