1
holistically(adverb, unitedly)
1
homogeneously(adverb, unitedly)
1
icily(adverb, severely)
1
immaculately(adverb, purely)
1
immeasurably
1
imperially(adverb, severely)
1
in itself
1
in reality
1
in the extreme(expression, idiom)
1
in theory(expression, idiom)
1
in truth
1
incalculably
1
indefinitely
1
infinitely
1
inherent
1
innocently(adverb, purely)
1
intensely(adverb, severely)
1
intolerantly(adverb, severely)
1
intrinsically
1
irreducibly(adverb, purely)
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APASmart Define. (2015). fundamentally thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/fundamentally/thesaurus/synonyms
ChicagoSmart Define. 2015. "fundamentally thesaurus" https://smartdefine.org/fundamentally/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, fundamentally thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/fundamentally/thesaurus/synonyms>.
MLASmart Define. "fundamentally thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/fundamentally/thesaurus/synonyms>