Synonyms|182Antonyms|0|Broader|0Narrower|0Related|1

54 entries under serious topic. ×

8
important(adjective, strong, great, extraordinary, unusual)
7
major(adjective, great, important, large)
6
heavyweight(adjective, great, informal, extraordinary, important)
6
significant(adjective, strong, great, extraordinary, unusual)
5
big-league(adjective, great, excellent, informal, important)
5
crucial(adjective, great, extraordinary, important, outstanding)
5
great(adjective, extraordinary, important, outstanding)
3
heavy(adjective, great, solid, informal, extraordinary)
3
meaningful(adjective, strong, great, extraordinary, unusual)
3
notable(adjective, great, solid, extraordinary, unusual)
2
critical(adjective, great, extraordinary, important, outstanding)
2
grave(adjective, great, important)
2
influential(adjective, great, important, powerful, outstanding)
2
memorable(adjective, unusual, important, famous, exceptional)
2
momentous(strong, important, powerful, significant, large)
2
remarkable(adjective, great, solid, unusual, important)
2
vital(adjective, great, important)
1
bodacious(great, extraordinary, unusual, outstanding)
1
celebrated(great, extraordinary, outstanding, prominent)
1
conspicuous(adjective, great, unusual, important, famous)
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APASmart Define. (2015). major-league thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/major-league/thesaurus/synonyms
ChicagoSmart Define. 2015. "major-league thesaurus" https://smartdefine.org/major-league/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, major-league thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/major-league/thesaurus/synonyms>.
MLASmart Define. "major-league thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/major-league/thesaurus/synonyms>