138 entries under important topic. ×

12
consequential(adjective, importance, heavy, significant)
12
substantial(adjective, importance, valuable, main)
11
required(adjective, significant, serious, essential)
11
cardinal(adjective, importance, significant, original)
11
pressing(adjective, big, heavy, significant)
10
influential(adjective, great, energetic, importance)
10
outstanding(adjective, great, importance, significant)
10
primary(adjective, body, importance, material, big)
10
principal(adjective, body, great, importance, material)
9
central(adjective, significant, original, essential)
9
needed(adjective, set, right, significant)
8
chief(adjective, importance, big, significant)
8
major(adjective, great, heavy, significant)
8
newsworthy(adjective, importance, valuable, main)
8
paramount(adjective, importance, significant, original)
8
prime(adjective, body, importance, material)
7
decisive(adjective, severe, big, significant)
7
historic(adjective, importance, main, extremely significant)
7
life-and-death(adjective, heavy, serious, critical)
7
life-or-death(adjective, essential, critical, fundamental)
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APASmart Define. (2015). vital thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/vital/thesaurus/synonyms
ChicagoSmart Define. 2015. "vital thesaurus" https://smartdefine.org/vital/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, vital thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/vital/thesaurus/synonyms>.
MLASmart Define. "vital thesaurus" 2 November 2015. Web. 26 September 2026. <https://smartdefine.org/vital/thesaurus/synonyms>