95 entries under main topic. ×

14
underlying(adjective, simple, plain, important, significant)
13
leading(adjective, feature, state, characteristic, importance)
12
radical(adjective, importance, important, significant, original)
11
focal(adjective, important, significant, private)
11
grave(adjective, severe, importance, big, important)
11
meaningful(adjective, importance, big, important, significant)
11
responsible(adjective, importance, valuable, duty, reliable)
11
serious(adjective, severe, importance, big, important)
11
weighty(adjective, importance, big, important, significant)
10
consequential(adjective, importance, big, important, significant)
10
first(adjective, important, significant, original, prominent)
10
relevant(adjective, importance, big, significant, substantial)
9
big-league(adjective, importance, valuable, notable)
9
capital(adjective, importance, important, prominent, prime)
9
earnest(adjective, importance, valuable, notable)
9
fateful(adjective, importance, valuable, notable)
9
influential(adjective, importance, big, important, significant)
9
interior(adjective, important, significant, basic)
9
outstanding(adjective, importance, important, significant, valuable)
9
significant(adjective, importance, big, important, original)
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APASmart Define. (2016). essential thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/essential/thesaurus/synonyms
ChicagoSmart Define. 2016. "essential thesaurus" https://smartdefine.org/essential/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, essential thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/essential/thesaurus/synonyms>.
MLASmart Define. "essential thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/essential/thesaurus/synonyms>