578 entries under adjective topic. ×

5
heavy(great, tough, severe, big)
5
high(important, rank, post, prominent)
5
instrumental(strong, important, powerful, useful)
5
main(good, superior, unusual, important)
5
newsworthy(importance, important, valuable, main)
5
pointed(clear, open, severe, sharp)
5
prestigious
5
pronounced(clear, energetic, substantial, definite)
5
sententious(sharp, meaning, articulate, touching)
5
singular(solid, extraordinary, superior, unusual)
5
valuable(good, big, important, substantial)
4
basic(important, original, essential, critical)
4
biggish(comfort, rich, well, convenient)
4
bountiful(substantial, large)
4
communicative(open, sensitive, animated, meaningful)
4
definitive
4
denotational
4
efficacious(strong, important, powerful, useful)
4
elder(rank, post, status, age)
4
emphatic(open, sharp, importance, sensitive)
10 years ago|34k views|share |citing 
APASmart Define. (2016). significant thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/significant/thesaurus/synonyms
ChicagoSmart Define. 2016. "significant thesaurus" https://smartdefine.org/significant/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, significant thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/significant/thesaurus/synonyms>.
MLASmart Define. "significant thesaurus" 4 March 2016. Web. 24 September 2026. <https://smartdefine.org/significant/thesaurus/synonyms>