/ Thesaurus / V Synonyms of vacantly Find synonyms for: Adverb1. vacantlyusage: in a vacant manner; "she was staring vacantly into the room"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: rotund Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language