/ Thesaurus / F Synonyms of free swimming Find synonyms for: Adjective1. free-swimming, unattached, vagile (vs. sessile)usage: (of animals) able to swim about; not attachedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language