/ Thesaurus / A Synonyms of antisubmarine Find synonyms for: Adjective1. antisubmarine, defensive (vs. offensive)usage: defensive against enemy submarinesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language