Synonyms|124Antonyms|2|Broader|2Narrower|0Related|65
1
name day
1
natal day
1
octennial
1
paschal
1
period(noun, adjective)
1
period of time
1
plant
1
polycot
1
polycotyl
1
polycotyledon
1
quadrennial
1
quarterly
1
quasquicentennial
1
quincentenary
1
quincentennial
1
quinquennial
1
seed plant
1
seedling
1
semestral
1
semiannual
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APASmart Define. (2015). triennial thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/triennial/thesaurus/synonyms
ChicagoSmart Define. 2015. "triennial thesaurus" https://smartdefine.org/triennial/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, triennial thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/triennial/thesaurus/synonyms>.
MLASmart Define. "triennial thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/triennial/thesaurus/synonyms>