/ Thesaurus / F Synonyms of fundamentally Find synonyms for: Adverb1. basically, fundamentally, essentiallyusage: in essence; at bottom or by one's (or its) very nature; "He is basically dishonest"; "the argument was essentially a technical one"; "for all his bluster he is in essence a shy person"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language