quadrennial

Alternative forms

• quadriennial

Etymology

Borrowed from Latin quadriennium (“four-year period”), from quattuor (“four”) + annus (“year”); equivalent to quadr- +‎ -ennial.

Pronunciation

• (UK) IPA^(key): /ˌkwɒˈdɹɛn.i.əl/
• (US) IPA^(key): /ˌkwɑˈdɹɛni.əl/
• Rhymes: -ɑdɹɛnɪəl

Adjective

quadrennial (not comparable)

1. Happening every four years.

   1852, Millard Fillmore, State of the Union Address

   The quadrennial election of Chief Magistrate has passed off with less than the usual excitement.

2. Lasting for four years.

Noun

quadrennial (plural quadrennials)

1. A four-year period.