Synonyms|1.2kAntonyms|210|Broader|16Narrower|9Related|1k

210 entries under essential topic. ×

2
component(noun, adjective, law, drop, part)
2
compulsory(adjective, significant, vital, fundamental)
2
decisive(adjective, important, significant, critical)
2
desideratum(noun, want, requirement, necessity)
2
dominant(adjective, top, important, significant)
2
foremost(adjective, top, important, significant, original)
2
heart(noun, law, part, condition, emotion)
2
life-or-death(important, critical, fundamental, key)
2
major(adjective, important, significant, original)
2
material(drop, part, element, section)
2
middle(noun, adjective, important, significant, emotion)
2
momentous(adjective, significant, vital, required)
2
must(noun, condition, want, essence)
2
needed(adjective, important, significant, critical)
2
particular(drop, part, material, element)
2
sine qua non(noun, expression, idiom, law, condition)
2
substratal(adjective, simple, plain, important, significant)
2
theoretical(adjective, important, significant, original)
2
want(noun, requirement, necessity, prerequisite)
1
basis(noun, drop, part, material, element)
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ChicagoSmart Define. 2015. "basic thesaurus" https://smartdefine.org/basic/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, basic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/basic/thesaurus/synonyms>.
MLASmart Define. "basic thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/basic/thesaurus/synonyms>