/ Thesaurus / B Synonyms of baby sit Find synonyms for: Verb1. baby-sit, guardusage: take watchful responsibility for; "I baby-sit the neighbor's plants when she is out of town"2. baby-sit, sit, guardusage: work or act as a baby-sitter; "I cannot baby-sit tonight; I have too much homework to do"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language