79 entries under fundamental topic. ×

1
crucial(adjective, original, basic, primary)
1
deep-seated(adjective, basic, absolute, key)
1
element(noun, quality, character, spirit, significance)
1
elemental(adjective, original, basic, absolute)
1
elementary(adjective, original, basic, absolute)
1
ideal(adjective, basic, absolute, key)
1
inborn(adjective, basic, absolute, key)
1
inbred(adjective, basic, absolute, key)
1
indispensable(adjective, original, basic, primary)
1
innate(adjective, basic, absolute, key)
1
intrinsic(adjective, original, basic, absolute)
1
lifeblood(noun, quality, character, spirit, significance)
1
main(adjective, original, basic, absolute)
1
meat and potatoes(noun, expression, adjective, idiom, good)
1
name of game(noun, expression, adjective, idiom, quality)
1
name of the game(noun, expression, adjective, idiom, good)
1
necessary(adjective, original, basic, primary)
1
perfect(adjective, basic, absolute, key)
1
polestar(noun, emotion, heart, soul, mood)
1
primary(adjective, original, basic, absolute)
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APASmart Define. (2015). nub thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/nub/thesaurus/synonyms
ChicagoSmart Define. 2015. "nub thesaurus" https://smartdefine.org/nub/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, nub thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/nub/thesaurus/synonyms>.
MLASmart Define. "nub thesaurus" 24 October 2015. Web. 28 September 2026. <https://smartdefine.org/nub/thesaurus/synonyms>