Synonyms|141Antonyms|1|Broader|2Narrower|0Related|26
18
centenary(noun, adjective, five, birthday, anniversary)
7
bicentenary
6
century(noun, adjective)
5
yearly
4
secular(adjective, five, regularity of recurrence periodicity)
4
centurial(adjective, five)
4
monthly(adjective, regular, routine, sporadic, intermittent)
3
bicentennial
3
hourly(adjective, regular, routine, sporadic, intermittent)
3
biennial
3
centenarian
3
weekly(adjective, regular, routine, sporadic, intermittent)
2
anniversary
2
annual
2
centuple
2
centuplicate
2
diurnal
2
fair(noun, exposition, midway, carnival, fairground)
2
fortnightly
2
hebdomadal
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APASmart Define. (2015). centennial thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/centennial/thesaurus/synonyms
ChicagoSmart Define. 2015. "centennial thesaurus" https://smartdefine.org/centennial/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, centennial thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/centennial/thesaurus/synonyms>.
MLASmart Define. "centennial thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/centennial/thesaurus/synonyms>