/ Thesaurus / F Synonyms of fluoridise Find synonyms for: Verb1. fluoridate, fluoridize, fluoridise, process, treatusage: subject to fluoridation; treat with fluoride; "fluoridized water"; "fluoridize the teeth of children"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language