/ Thesaurus / F Synonyms of fanatically Find synonyms for: Adverb1. fanaticallyusage: in a passionately fanatic manner; "he followed the teachings of his guru fanatically"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language