/ Thesaurus / I Synonyms of intercontinental ballistic missile Find synonyms for: Noun1. intercontinental ballistic missile, ICBM, ballistic missileusage: a ballistic missile that is capable of traveling from one continent to anotherWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language