/ Thesaurus / S Synonyms of space walk Find synonyms for: Noun1. space walk, activityusage: any kind of physical activity outside a spacecraft by one of the crewVerb1. spacewalk, walkusage: move in space outside a space craftWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language