4
quintessential(adjective, characteristic, essential, core)
4
required(adjective, essential, critical, vital, fundamental)
4
respectable(adjective, comfortable, wealth, safe, worthy)
4
star(noun, adjective, bad, great, excellent)
4
talented(adjective, eminent, characteristic, fine, importance)
4
top(adjective, great, famous, serious, prominent)
3
acclaimed(adjective, great, famous, familiar, brilliant)
3
pregnant(adjective, significant, expressive, meaningful, weighty)
3
acute(adjective, severe, heavy, significant, serious)
3
advantageous(adjective, sensible, useful, valuable, beneficial)
3
all-important(adjective, characteristic, influence, importance)
3
answerable(adjective, valuable, duty, reliable, responsible)
3
arch(adjective, prominent, prime, chief, greatness)
3
bigwig(adjective, importance, valuable, main, notable)
3
boss(adjective, bad, great, excellent, unusual)
3
burning(adjective, serious, essential, critical, vital)
3
chargeable(adjective, valuable, duty, reliable, responsible)
3
dear(adjective, useful, expensive, scarce, beneficial)
3
excellent(adjective, bad, great, fine, sensible)
3
firm(adjective, significant, substantial, large, key)
10 years ago|57k views|share |citing 
APASmart Define. (2016). important thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/important/thesaurus/synonyms
ChicagoSmart Define. 2016. "important thesaurus" https://smartdefine.org/important/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, important thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/important/thesaurus/synonyms>.
MLASmart Define. "important thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/important/thesaurus/synonyms>