Synonyms|521Antonyms|71|Broader|11Narrower|5Related|212

62 entries under fundamental topic. ×

2
prime(adjective, important, significant, original, essential)
2
unavoidable(adjective, significant, essential, basic, vital)
2
wanted(adjective, important, significant, capital, essential)
1
coal-and-ice(important, essential, critical, basic)
1
decisive(adjective, important, significant, essential, critical)
1
elementary(adjective, important, significant, original, essential)
1
exigency(noun, right, want, need, essential)
1
expedient(adjective, good, correct, right, reasonable)
1
heavy(important, essential, critical, basic)
1
life-or-death(adjective, important, essential, critical, basic)
1
meaningful(important, essential, critical, imperative)
1
meat-and-potatoes(adjective, important, significant, original, essential)
1
name(important, essential, critical, basic)
1
name-of-the-game(important, essential, critical, basic)
1
quintessential(adjective, significant, essential, basic, vital)
1
significant(adjective, important, original, essential, critical)
1
underlined(important, essential, critical, basic)
1
urgency(noun, right, want, need, essential)
1
vital part(noun, expression, need, essential, certainty)
0
incumbent on(expression, adjective, significant, essential, basic)
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APASmart Define. (2015). requisite thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/requisite/thesaurus/synonyms
ChicagoSmart Define. 2015. "requisite thesaurus" https://smartdefine.org/requisite/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, requisite thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/requisite/thesaurus/synonyms>.
MLASmart Define. "requisite thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/requisite/thesaurus/synonyms>