/ Thesaurus / E Synonyms of electromagnetic intrusion Find synonyms for: Noun1. electromagnetic intrusion, electronic warfare, EWusage: the deliberate insertion of electromagnetic energy into transmission paths with the objective of confusing or deceiving operatorsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language