73 entries under outstanding topic. ×

5
heavy(adjective, great, tough, severe, big)
5
singular(adjective, solid, extraordinary, superior, unusual)
4
evident(adjective, clear, big, unusual, important)
4
major-league(adjective, strong, great, extraordinary, unusual)
4
unusual(adjective, solid, extraordinary, superior, important)
3
distinctive(adjective, extraordinary, superior, unusual, exceptional)
3
extraordinary(adjective, solid, superior, unusual, important)
3
illustrious(adjective, prominent, remarkable, notable)
2
famed(adjective, prominent, distinguished, admired)
2
famous(adjective, strong, extraordinary, important, powerful)
2
individual(adjective, extraordinary, superior, unusual, exceptional)
2
noted(adjective, clear, prominent, distinguished)
2
peculiar(adjective, solid, extraordinary, superior, unusual)
2
red-letter(adjective, great, extraordinary, superior, unusual)
2
renowned(adjective, big, important, substantial)
2
super(adjective, good, extraordinary, big, unusual)
2
well-known(adjective, prominent, distinguished)
1
arresting(clear, solid, extraordinary, unusual, wonderful)
1
arrestive(solid, extraordinary, unusual, wonderful, exceptional)
1
astonishing(adjective, extraordinary, unusual, strange, exceptional)
10 years ago|34k views|share |citing 
APASmart Define. (2016). significant thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/significant/thesaurus/synonyms
ChicagoSmart Define. 2016. "significant thesaurus" https://smartdefine.org/significant/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, significant thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/significant/thesaurus/synonyms>.
MLASmart Define. "significant thesaurus" 4 March 2016. Web. 25 September 2026. <https://smartdefine.org/significant/thesaurus/synonyms>