43 entries under unusual topic. ×

19
evident(adjective, clear, see, plain)
19
noticeable(adjective, clear, see, knowledge, plain)
13
manifest(adjective, clear, see, plain)
11
patent(adjective, clear, see, plain)
9
conspicuous(adjective, clear, see, plain)
5
notable(adjective, great, extraordinary, important)
5
prominent(adjective, clear, see, important)
4
memorable(adjective, important, famous, exceptional)
4
remarkable(adjective, great, see, important)
2
outstanding(adjective, clear, see, important)
2
red-letter(adjective, great, extraordinary, important)
2
rubric(great, extraordinary, outstanding, serious)
2
striking(adjective, clear, see, attractive)
1
bodacious(great, extraordinary, outstanding, serious)
1
boss(adjective, important, exceptional, remarkable)
1
cool(adjective, important, exceptional, remarkable)
1
eminent(adjective, outstanding, serious, prominent)
1
eventful(great, extraordinary, outstanding, serious)
1
exceptional(adjective, important, remarkable, notable)
1
extraordinary(adjective, great, important, famous)
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APASmart Define. (2015). observable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/observable/thesaurus/synonyms
ChicagoSmart Define. 2015. "observable thesaurus" https://smartdefine.org/observable/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, observable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/observable/thesaurus/synonyms>.
MLASmart Define. "observable thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/observable/thesaurus/synonyms>