/ Thesaurus / S Synonyms of sea anchor Find synonyms for: Noun1. sea anchor, drogue, restraint, constraintusage: restraint consisting of a canvas covered frame that floats behind a vessel; prevents drifting or maintains the heading into a windWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language