/ Thesaurus / E Synonyms of early warning system Find synonyms for: Noun1. early warning system, network, electronic networkusage: a network of radar installations designed to detect enemy missiles or aircraft while there is still time to intercept themWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: garrulous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language