79 entries under main topic. ×

6
primary(adjective, superior, big, unusual, important)
6
salient(adjective, extraordinary, unusual, important, substantial)
6
solemn(adjective, importance, valuable, notable)
5
bigwig(adjective, importance, valuable, notable)
5
big time(adjective, importance, extremely significant)
5
constitutive(adjective, importance, valuable, notable)
5
earnest(adjective, importance, valuable, notable)
5
exciting(adjective, importance, valuable, notable)
5
newsworthy(adjective, importance, important, valuable)
4
basic(adjective, important, original, essential, critical)
4
integral(adjective, importance, important, original, serious)
4
prime(adjective, good, important, original, essential)
3
big shot(adjective, importance, valuable, notable)
3
challenging(adjective, importance, valuable, notable)
3
donnish(adjective, importance, valuable, notable)
3
far reaching(adjective, importance, valuable, notable)
3
first(adjective, superior, unusual, important, rank)
3
haughty(adjective, importance, valuable, notable)
3
high-up(adjective, importance, valuable, notable)
3
highest(adjective, rank, post, status)
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APASmart Define. (2016). significant thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/significant/thesaurus/synonyms
ChicagoSmart Define. 2016. "significant thesaurus" https://smartdefine.org/significant/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, significant thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/significant/thesaurus/synonyms>.
MLASmart Define. "significant thesaurus" 4 March 2016. Web. 23 September 2026. <https://smartdefine.org/significant/thesaurus/synonyms>