Synonyms|72Antonyms|0|Broader|2Narrower|0Related|34
13
bicentenary(noun, adjective)
13
anniversary(noun, adjective)
6
birthday
4
centigram
3
centenarian
3
sextennial
3
cycle
2
centennium
2
centare
2
triennial
2
wedding anniversary
2
bissextile
2
fast
2
feast
2
period
2
routine
2
yearbook
1
annual holiday
1
cental
1
bissextile day
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APASmart Define. (2015). bicentennial thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/bicentennial/thesaurus/synonyms
ChicagoSmart Define. 2015. "bicentennial thesaurus" https://smartdefine.org/bicentennial/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, bicentennial thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/bicentennial/thesaurus/synonyms>.
MLASmart Define. "bicentennial thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/bicentennial/thesaurus/synonyms>