10
big(adjective, importance, valuable, main, notable)
10
influential(adjective, great, energetic, importance, important)
10
outstanding(adjective, great, importance, important, significant)
10
portentous(adjective, importance, valuable, main, notable)
10
primary(adjective, body, importance, material, big)
10
principal(adjective, body, great, importance, material)
10
vivacious(adjective, strong, energetic, lively, ready)
9
big-league(adjective, importance, valuable, main, notable)
9
central(adjective, important, significant, original, essential)
9
earnest(adjective, importance, valuable, main, notable)
9
fateful(adjective, importance, valuable, main, notable)
9
full of life(expression, adjective, idiom, strong, happy)
9
grand(adjective, importance, valuable, main, notable)
9
meaningful(adjective, importance, essential, main, extremely significant)
9
needed(adjective, set, right, important, significant)
9
robust(adjective, strong, complete, tough, fit)
8
animate(adjective, body, energetic, material, lively)
8
chief(adjective, importance, big, important, significant)
8
core(noun, adjective, importance, main, extremely significant)
8
great(adjective, importance, valuable, main, notable)
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APASmart Define. (2015). vital thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/vital/thesaurus/synonyms
ChicagoSmart Define. 2015. "vital thesaurus" https://smartdefine.org/vital/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, vital thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/vital/thesaurus/synonyms>.
MLASmart Define. "vital thesaurus" 2 November 2015. Web. 25 September 2026. <https://smartdefine.org/vital/thesaurus/synonyms>