Dictionary

centennial

noun cen·ten·ni·al \sen-ˈte-nē-əl\

: the 100th anniversary of something (such as an important event)

Full Definition of CENTENNIAL

: a 100th anniversary or its celebration

— centennial adjective

— cen·ten·ni·al·ly \-ə-lē\ adverb

See centennial defined for English-language learners

See centennial defined for kids

Latin centum + English -ennial (as in biennial)

First Known Use: 1876

CENTENNIAL Defined for Kids

noun cen·ten·ni·al \sen-ˈte-nē-əl\

: a 100th anniversary or a celebration of it

— centennial adjective

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