Meanings
adjectiveundecennary (not comparable)
- not comparablerareOnce every eleven years; undecennial.
1783, Dr. E. Stiles, election sermon an undecennary account laid before Parliament
Cite this entry
APA
undecennary. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/undecennary
MLA
“undecennary.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/undecennary. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “undecennary,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/undecennary.
Source: undecennary on Wiktionary, CC BY-SA 4.0.