an·​ni·​ver·​sa·​ry | \ˌa-nə-ˈvərs-rē, -ˈvər-sə-\
plural anniversaries

Definition of anniversary 

1 : the annual recurrence of a date marking a notable event a wedding anniversary broadly : a date that follows such an event by a specified period of time measured in units other than years the 6-month anniversary of the accident

2 : the celebration of an anniversary

Examples of anniversary in a Sentence

the anniversary of the invasion The exhibit will close on the 100th anniversary of the artist's death.

Recent Examples on the Web

Dove Cameron and Sofia Carson celebrated the 25th anniversary of the Halloween classic, Hocus Pocus, in the best way possible: with coordinating Sanderson Sister costumes. Kara Nesvig, Teen Vogue, "Dove Cameron and Sofia Carson Showed Off Their "Hocus Pocus" Costumes," 20 Oct. 2018 North, who turned 5 on June 15, appeared with her mother and grandmother, Kris Jenner, in the second series of an international fashion campaign to celebrate Fendi's 10th anniversary of their Peekaboo bag. Matthew Wilson, USA TODAY, "North West makes modeling debut alongside mom Kim Kardashian West and grandma Kris Jenner," 10 July 2018 The American Legion Post in Hinsdale plans to celebrate the 90th anniversary of the Memorial Building and the impressive statue inside it this year. Kimberly Fornek,, "Hinsdale American Legion restoring statue with new medallion, nearly 90 years after original was stolen," 10 July 2018 Former University of Louisville basketball player and Final Four Most Outstanding Player Luke Hancock announces plans to 'get the band back together' and celebrate the 5-year anniversary of the Cardinals' 2013 National Championship. Gentry Estes, The Courier-Journal, "Louisville ties run deep as Aspire Academy enters second year in city," 28 June 2018 These moves will lessen the impact of an expected slowdown in earnings growth early year when the profit boost from the tax cut reaches its anniversary. Justin Lahart, WSJ, "Tax-Cut Split: Consumers Are Spending but Businesses Curb Their Enthusiasm," 9 Nov. 2018 In a post from July 2017, the couple celebrated their wedding anniversary by skydiving in Santa Barbara, California. Jocelyn Gecker, The Seattle Times, "Indian couple who died in Yosemite took risks for photos," 31 Oct. 2018 Amy apparently asked Chris to take photos to celebrate the fall season and their two-year anniversary. Michelle Manetti, Good Housekeeping, "Amy Roloff and Boyfriend Chris Marek Heat Up Instagram With a New Photo Shoot," 29 Oct. 2018 For carrying my books, magazines and laptop, this InCase backpack just had its five-year anniversary of not letting me down. Condé Nast Traveler, "What to Wear On a Flight, According to Our Editors," 19 Oct. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'anniversary.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of anniversary

13th century, in the meaning defined at sense 1

History and Etymology for anniversary

Middle English anniversarie, from Medieval Latin anniversarium, from Latin, neuter of anniversarius returning annually, from annus year + versus, past participle of vertere to turn — more at annual, worth

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Last Updated

29 Nov 2018

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Time Traveler for anniversary

The first known use of anniversary was in the 13th century

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English Language Learners Definition of anniversary

: a date that is remembered or celebrated because a special or notable event occurred on that date in a previous year


an·​ni·​ver·​sa·​ry | \ˌa-nə-ˈvərs-ə-rē, -ˈvərs-rē\
plural anniversaries

Kids Definition of anniversary

: a date remembered or celebrated every year because of something special that happened on it in an earlier year a wedding anniversary

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Spanish Central: Translation of anniversary

Nglish: Translation of anniversary for Spanish Speakers

Britannica English: Translation of anniversary for Arabic Speakers

Comments on anniversary

What made you want to look up anniversary? Please tell us where you read or heard it (including the quote, if possible).


to move with a clumsy heavy tread

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