260 entries under adjective topic. ×

7
big(importance, valuable, main, notable)
7
big-league(importance, valuable, main, notable)
7
big shot(importance, valuable, main, notable)
7
bigwig(importance, valuable, main, notable)
7
constitutive(importance, valuable, main, notable)
7
donnish(importance, valuable, main, notable)
7
earnest(importance, valuable, main, notable)
7
essential(importance, valuable, main, notable)
7
far reaching(importance, valuable, main, notable)
7
fateful(importance, valuable, main, notable)
7
grand(importance, valuable, main, notable)
7
grave(importance, valuable, main, notable)
7
great(importance, valuable, main, notable)
7
haughty(importance, valuable, main, notable)
7
high-up(importance, valuable, main, notable)
7
impressive(importance, valuable, main, notable)
7
key(importance, valuable, main, notable)
7
material(importance, valuable, main, notable)
7
momentous(importance, valuable, main, notable)
7
outstanding(importance, valuable, main, notable)
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APASmart Define. (2016). challenging thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/challenging/thesaurus/synonyms
ChicagoSmart Define. 2016. "challenging thesaurus" https://smartdefine.org/challenging/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, challenging thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/challenging/thesaurus/synonyms>.
MLASmart Define. "challenging thesaurus" 2 March 2016. Web. 23 September 2026. <https://smartdefine.org/challenging/thesaurus/synonyms>