/ Thesaurus / I Synonyms of incredulously Find synonyms for: Adverb1. incredulously, unbelievingly, disbelievinglyusage: in an incredulous manner; "the woman looked up at her incredulously"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language