Anniversary Definition

ănə-vûrsə-rē

anniversaries

noun

anniversaries

The annually recurring date on which some event took place.

Webster's New World

The commemoration of such an event on that date in following years.

Webster's New World

Any commemoration, not based on years, of the date of an event.

The six-month anniversary of their wedding.

Webster's New World

Synonyms:

adjective

That is an anniversary.

Webster's New World

Of or connected with an anniversary.

Webster's New World

Synonyms:

Other Word Forms of Anniversary

Singular:

anniversary

Plural:

anniversaries

Middle English anniversarie from Medieval Latin (diēs) anniversāria anniversary (day) from Latin feminine of anniversārius returning yearly annus year at- in Indo-European roots versus past participle of vertere to turn wer-² in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition
From the Latin adjective anniversarius (“returning yearly”), from vertere (“to turn”), + annus (“year”).

From Wiktionary

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