/ Thesaurus / P Synonyms of parenthetically Find synonyms for: Adverb1. parentheticallyusage: in a parenthetical manner; "he added parenthetically that he would not attend the wedding ceremony"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language