21
celebration(noun, break, trip, leave, fair)
14
birthday(noun, performance, party, achievement, triumph)
11
commemoration(noun, fair, celebration, holiday, observance)
11
holiday(noun, break, time, trip, leave)
8
festival(noun, break, trip, leave, party)
8
annual(adjective, occurring, yearly, twelve-monthly)
8
ceremony(noun, performance, party, achievement, triumph)
7
observance(performance, party, achievement, triumph, festivity)
7
bicentennial
7
feast
6
anniversaries
6
bicentenary
6
diamond jubilee(expression, idiom, celebration)
5
jubilee(noun, break, trip, leave, fair)
5
solemnization(noun, performance, party, achievement, triumph)
5
centenary(noun, holiday, commemoration, birthday, jubilee)
5
centennial
5
coronation
5
day of remembrance(noun, expression, idiom)
4
ritual
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APASmart Define. (2016). anniversary thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/anniversary/thesaurus/synonyms
ChicagoSmart Define. 2016. "anniversary thesaurus" https://smartdefine.org/anniversary/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, anniversary thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/anniversary/thesaurus/synonyms>.
MLASmart Define. "anniversary thesaurus" 29 February 2016. Web. 20 September 2026. <https://smartdefine.org/anniversary/thesaurus/synonyms>