6 entries under adjective topic. ×

4
bicentennial(noun, regularity of recurrence periodicity, anniversary, bicentenary)
4
tercentennial(number, celebrate, birth, date)
4
triennial(number, celebrate, birth, date)
4
sesquicentennial(number, celebrate, birth, date)
4
biennial(number, celebrate, birth, date)
4
decennial(number, celebrate, birth, date)
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APASmart Define. (2016). birthday thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/birthday/thesaurus/synonyms
ChicagoSmart Define. 2016. "birthday thesaurus" https://smartdefine.org/birthday/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, birthday thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/birthday/thesaurus/synonyms>.
MLASmart Define. "birthday thesaurus" 10 February 2016. Web. 26 September 2026. <https://smartdefine.org/birthday/thesaurus/synonyms>