Synonyms|659Antonyms|114|Broader|10Narrower|15Related|819
1
authorized
1
autocratic
1
big-time
1
big-wig(adjective, important)
1
big name
1
bigwigged
1
biotic
1
boastful
1
bodacious(unusual, outstanding, serious, prominent, notable)
1
boss(adjective, bad, great, excellent, superior)
1
bounteous
1
burning
1
cardinal(adjective, important, significant, substantial, serious)
1
central(significant, critical, vital, decisive, imperative)
1
certain(adjective, superior, energetic, unusual, exceptional)
1
champion(adjective, feature, state, characteristic)
1
chargeable(adjective, valuable, duty, reliable, responsible)
1
charismatic
1
charming
1
chips are down(expression, adjective, idiom, important, significant)
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ChicagoSmart Define. 2016. "momentous thesaurus" https://smartdefine.org/momentous/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, momentous thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/momentous/thesaurus/synonyms>.
MLASmart Define. "momentous thesaurus" 1 April 2016. Web. 30 September 2026. <https://smartdefine.org/momentous/thesaurus/synonyms>