23
essentially(adjective, adverb, surface, greatness, first)
21
basically(adverb, surface, first, very, severely)
15
in conclusion(adverb, conclusion, final, summarizing)
11
in essence(expression, idiom, adverb, surface, inside)
10
at bottom(idiom, adverb, surface)
8
radically(adverb, greatness, basically)
7
at heart(idiom, adverb, surface, reality, basically)
7
purely(adverb, greatness, purely, unitedly)
6
completely(adverb, very, unitedly)
6
primarily(adverb, generally, purely)
5
virtually(adjective, adverb, alone, really, nearly)
4
absolutely(adverb, greatness)
4
au fond(expression, idiom, adverb)
4
elementally(adverb, unitedly)
4
elementarily(adverb, purely)
4
in the main(expression, idiom, adverb, greatness)
4
materially
3
aboriginally(adverb, purely)
3
downright
3
in effect(expression, adjective, adverb, nearly, approximately)
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APASmart Define. (2015). fundamentally thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/fundamentally/thesaurus/synonyms
ChicagoSmart Define. 2015. "fundamentally thesaurus" https://smartdefine.org/fundamentally/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, fundamentally thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/fundamentally/thesaurus/synonyms>.
MLASmart Define. "fundamentally thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/fundamentally/thesaurus/synonyms>