138 entries under significant topic. ×

4
famous(adjective, good, bad, great, excellent)
4
meaningful(adjective, great, tough, severe, important)
4
radical(adjective, great, important, original)
3
basal(adjective, lead, important, head)
3
celebrated(adjective, bad, great, excellent, superior)
3
eventful(adjective, bad, great, excellent, superior)
3
famed(adjective, important, famous, well-known)
3
fine(adjective, important, grand, comfortable)
3
goodly(adjective, substantial, large, generous)
3
huge(adjective, big, important, substantial)
3
illustrious(adjective, important, famous, critical)
3
marked(adjective, superior, unusual, wonderful, exceptional)
3
pressing(adjective, tough, severe, heavy, important)
3
remarkable(adjective, good, superior, important, wonderful)
3
sizeable(adjective, substantial, large)
3
tidy(adjective, substantial, large, generous)
3
ugly(adjective, tough, severe, unpleasant, heavy)
2
abundant(adjective, substantial, large)
2
ample(adjective, substantial, large, generous)
2
basic(adjective, important, original, essential)
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APASmart Define. (2015). major thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/major/thesaurus/synonyms
ChicagoSmart Define. 2015. "major thesaurus" https://smartdefine.org/major/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, major thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/major/thesaurus/synonyms>.
MLASmart Define. "major thesaurus" 6 July 2015. Web. 25 September 2026. <https://smartdefine.org/major/thesaurus/synonyms>