Breadcrumb Home > Thesaurus > W Synonyms of wilfully Find synonyms for: Adverb1. willfully, wilfullyusage: in a willful manner; "she had willfully deceived me"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: sepulture Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language