/ Thesaurus / P Synonyms of presumptuously Find synonyms for: Adverb1. presumptuouslyusage: in a presumptuous manner; "he presumptuously overstepped the doctor's orders"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