Dictionary.com
Thesaurus.com
Synonyms

anniversary

American  
[an-uh-vur-suh-ree] / ˌæn əˈvɜr sə ri /

noun

plural

anniversaries
  1. the yearly recurrence of the date of a past event.

    the tenth anniversary of their marriage.

  2. the celebration or commemoration of such a date.

  3. wedding anniversary.


adjective

  1. returning or recurring each year; annual.

  2. pertaining to an anniversary: anniv.

    an anniversary gift.

anniversary British  
/ ˌænɪˈvɜːsərɪ /

noun

  1. the date on which an event occurred in some previous year

    a wedding anniversary

  2. the celebration of this

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. of or relating to an anniversary

  2. recurring every year, esp on the same date

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of anniversary

1200–50; Middle English anniversarie (< Anglo-French ) < Medieval Latin ( diēs ) anniversāria anniversary (day), Latin anniversārius recurring yearly, equivalent to anni- (combining form of annus year) + vers ( us ) turned, past participle of vertere ( vert- turn + -tus past participle suffix) + -ārius -ary

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It was just the 20th anniversary of “The Family Stone” and we unfortunately lost the incomparable Diane Keaton this past year, another groundbreaking comedian.

From Los Angeles Times

His longshot bid for city hall comes on the anniversary of a wildfire that destroyed his home and became one of California's most destructive blazes on record.

From BBC

When ABC 7 Eyewitness News asked Bass if she thought the “They Let Us Burn” rally is how residents should commemorate the one-year anniversary, she dismissed the event.

From Los Angeles Times

When it came to pop culture anniversaries, 2025 had plenty to reminisce on.

From Salon

Pratt made his announcement at the “They Let Us Burn” event in Pacific Palisades on the one-year anniversary of the fire.

From Los Angeles Times