496 entries under adjective topic. ×

9
big-league(importance, valuable, main, notable)
9
capital(importance, important, prominent, prime)
9
compulsory(set, important, significant, critical)
9
earnest(importance, valuable, main, notable)
9
fateful(importance, valuable, main, notable)
9
influential(importance, big, important, significant)
9
interior(important, significant, basic, main)
9
outstanding(importance, important, significant, valuable)
9
significant(importance, big, important, original)
8
big(importance, important, significant, substantial)
8
absolute(physical, material, true, basic)
8
actual(physical, material, true, existence)
8
congenital(reasonable, natural, basic, fundamental)
8
considerable(importance, big, significant, substantial)
8
constituent(noun, drop, part, material)
8
foremost(importance, big, important, significant)
8
genuine(true, apt)
8
great(importance, valuable, main, notable)
8
indwelling(characteristic, natural, basic, intimate)
8
inescapable(feature, state, characteristic, required)
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APASmart Define. (2016). essential thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/essential/thesaurus/synonyms
ChicagoSmart Define. 2016. "essential thesaurus" https://smartdefine.org/essential/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, essential thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/essential/thesaurus/synonyms>.
MLASmart Define. "essential thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/essential/thesaurus/synonyms>