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

106 entries under basic topic. ×

1
significant(adjective, important, original, essential, critical)
1
structural(important, significant, original, vital)
1
substratal(adjective, important, significant, original, essential)
1
substrative(adjective, important, significant, original, essential)
1
supporting(adjective, important, significant, original, essential)
1
sustaining(adjective, important, significant, original, essential)
1
theoretical(adjective, important, significant, original, essential)
1
underived(adjective, important, significant, original, essential)
1
underlined(important, essential, critical, fundamental)
1
underlying(adjective, important, significant, original, essential)
1
urgency(noun, right, want, need, essential)
1
vital part(noun, expression, need, essential, certainty)
0
bottom line(noun, expression, important, significant, essential)
0
brass tacks(noun, expression, condition, essence)
0
deep(original, primary)
0
deep-seated(original, primary)
0
fire and ice(noun, expression, idiom, condition, essence)
0
groceries(noun, condition, essence, necessity)
0
guts(noun, condition, essence, necessity)
0
incumbent on(expression, adjective, significant, essential)
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APASmart Define. (2015). requisite thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/requisite/thesaurus/synonyms
ChicagoSmart Define. 2015. "requisite thesaurus" https://smartdefine.org/requisite/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, requisite thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/requisite/thesaurus/synonyms>.
MLASmart Define. "requisite thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/requisite/thesaurus/synonyms>