• Decennial

    Pronunciation

    • UK IPA: /dɪˈsÉ›nɪəɫ/

    Origin

    From Latin decennialis, French decem ten + ennius year- -ly

    Full definition of decennial

    Noun

    decennial

    (plural decennials)
    1. The tenth anniversary of an event or happening.

    Synonyms

    Adjective

    decennial

    1. Occurring every ten years.
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