Synonyms|659Antonyms|114|Broader|10Narrower|15Related|819

66 entries under main topic. ×

7
far reaching(adjective, importance, valuable, notable)
7
haughty(adjective, importance, valuable, notable)
7
high-up(adjective, importance, valuable, notable)
7
key-note(adjective, importance, valuable, notable)
7
leading(adjective, feature, state, characteristic, good)
7
principal(adjective, good, bad, great, excellent)
7
relevant(adjective, clear, importance, big, significant)
7
significative(adjective, importance, valuable, notable)
6
capital(adjective, bad, great, excellent, important)
6
integral(adjective, importance, extremely significant)
5
primary(adjective, superior, big, unusual, important)
4
prime(adjective, good, intense, important, significant)
4
telling(adjective, clear, strong, important, powerful)
3
of importance(expression, adjective, idiom, importance, valuable)
2
dominant(adjective, bad, strong, great, excellent)
2
paramount(adjective, good, big, important, significant)
2
preeminent(adjective, bad, great, excellent, solid)
2
superior(adjective, bad, great, excellent, unusual)
1
cardinal(adjective, important, significant, substantial, serious)
1
number one(expression, adjective, bad, great, excellent)
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ChicagoSmart Define. 2016. "momentous thesaurus" https://smartdefine.org/momentous/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, momentous thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/momentous/thesaurus/synonyms>.
MLASmart Define. "momentous thesaurus" 1 April 2016. Web. 1 October 2026. <https://smartdefine.org/momentous/thesaurus/synonyms>