Word Forms of "quadrennial" (3 forms)

Adjective

Form	Word
Alternative	quadriennial

Alternativequadriennial

Noun

Form	Word
Alternative	quadriennial
Plural	quadrennials

Alternativequadriennial

Pluralquadrennials

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.