106 entries under substantial topic. ×

20
pronounced(verb, adjective, clear, see, rough)
16
noticeable(adjective, clear, see, plain, solid)
16
obvious(adjective, clear, rough, plain, exact)
8
apparent(adjective, clear, plain, definite)
8
considerable(adjective, clear, importance, big, powerful)
8
exceptional(adjective, strong, great, solid, extraordinary)
8
salient(adjective, clear, great, see, rough)
7
distinguished(verb, adjective, extraordinary, superior, unusual)
7
evident(adjective, clear, plain, serious)
7
important(adjective, solid, extraordinary, unusual, powerful)
7
noteworthy(adjective, great, solid, extraordinary, unusual)
7
significant(adjective, clear, solid, extraordinary, superior)
6
definite(adjective, clear, exact, superior, unusual)
5
great(adjective, strong, intense, importance, powerful)
5
manifest(adjective, clear, plain, serious)
4
plain(adjective, clear, exact, obvious)
4
visible(adjective, clear, plain, exact)
3
major(adjective, superior, unusual, wonderful, exceptional)
3
recognizable(adjective, clear, significant, definite)
3
renowned(adjective, great, extraordinary, famous, outstanding)
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APASmart Define. (2015). marked thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/marked/thesaurus/synonyms
ChicagoSmart Define. 2015. "marked thesaurus" https://smartdefine.org/marked/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, marked thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/marked/thesaurus/synonyms>.
MLASmart Define. "marked thesaurus" 17 July 2015. Web. 21 September 2026. <https://smartdefine.org/marked/thesaurus/synonyms>