quinquennial

== English == === Etymology === Borrowed from Latin quīnquenniālis, from quīnquennium (“5-year period”) + -ālis, from quīnquennis (“5-year”) + -ium (“-ium: forming abstract nouns”), from quīnque (“five”) + annus (“year”) + -is (suffix forming compound adjectives). === Pronunciation === IPA(key): /kwɪŋˈkwɛ.ni.əl/ === Adjective === quinquennial (comparative more quinquennial, superlative most quinquennial) Of or related to a five-year period. ==== Synonyms ==== pentennial, quintennial, quinquennalian, quinquennal ==== Derived terms ==== quinquennially ==== Related terms ==== quinquennalia ==== Translations ==== === Noun === quinquennial (plural quinquennials) Synonym of quinquennium, a five-year period. A 5th anniversary, particularly (historical) Synonym of quinquennalia, the festival and religious ritual held in the 5th year of a Roman emperor's reign. ==== Usage notes ==== In reference to the Roman festival, sometimes used in the plural to match Latin quinquennalia and provide for the variety of events. ==== Synonyms ==== quintennial, wooden anniversary ==== Coordinate terms ==== (Roman festival): decennial, vicennial, tricennial