Meanings
adjectivequintennial (not comparable)
nounquintennial (plural quintennials)
plural quintennials
- Synonym of quinquennial.
Synonyms: quinquennial
Synonyms & antonyms
adjectiveSynonym of quinquennial.
Similar
nounSynonym of quinquennial.
Similar
Also see
Origin
From quint- (“5”) + -ennial (“year”).
Full word history & related roots →Cite this entry
APA
quintennial. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/quintennial
MLA
“quintennial.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/quintennial. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “quintennial,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/quintennial.
Source: quintennial on Wiktionary, CC BY-SA 4.0.