/ Thesaurus / O Synonyms of officially Find synonyms for: Adverb1. officiallyusage: in an official role; "officially, he is in charge"; "officially responsible"2. formally, officiallyusage: with official authorization; "the club will be formally recognized"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language