43 entries under great topic. ×

5
notable(adjective, extraordinary, unusual, important)
4
remarkable(adjective, see, unusual, important)
2
red-letter(adjective, extraordinary, unusual, important)
2
rubric(extraordinary, unusual, outstanding, serious)
1
big-league(extraordinary, outstanding, serious, prominent)
1
bodacious(extraordinary, unusual, outstanding, serious)
1
catchy(extraordinary, outstanding, notable, unforgettable)
1
celebrated(extraordinary, outstanding, serious, prominent)
1
critical(extraordinary, outstanding, notable, unforgettable)
1
crucial(extraordinary, outstanding, notable, unforgettable)
1
decisive(extraordinary, outstanding, notable, unforgettable)
1
enduring(extraordinary, outstanding, notable, unforgettable)
1
eventful(extraordinary, unusual, outstanding, serious)
1
extraordinary(adjective, unusual, important, famous)
1
famous(extraordinary, outstanding, prominent, notable)
1
heavy(adjective, extraordinary, unusual, important)
1
high-profile(adjective, unusual, important, famous)
1
historic(extraordinary, outstanding, notable, unforgettable)
1
hot(adjective, extraordinary, unusual, important)
1
illustrious(extraordinary, outstanding, prominent, notable)
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APASmart Define. (2015). observable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/observable/thesaurus/synonyms
ChicagoSmart Define. 2015. "observable thesaurus" https://smartdefine.org/observable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, observable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/observable/thesaurus/synonyms>.
MLASmart Define. "observable thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/observable/thesaurus/synonyms>