the date on which an event occurred in some previous year: a wedding anniversary the celebration of this
of or relating to an anniversary
WordReference Random House Learner's Dictionary of American English © 2025
an•ni•ver•sa•ry /ˌænəˈvɜrsɚi/USA pronunciation
n., pl. -ries, adj.
n. [countable]
adj. [before a noun]
WordReference Random House Unabridged Dictionary of American English © 2025n. [countable]
- the date of an important past event that is celebrated or remembered every year:That date was the anniversary of the invasion.
- the celebration of an anniversary, esp. of a wedding:had 200 guests at their anniversary.
adj. [before a noun]
- of or relating to an anniversary:an anniversary party.
an•ni•ver•sa•ry
(an′ə vûr′sə rē),USA pronunciation n., pl. -ries, adj.
n.
adj.
n.
- the yearly recurrence of the date of a past event:the tenth anniversary of their marriage.
- the celebration or commemoration of such a date.
- See wedding anniversary.
adj.
- returning or recurring each year;
annual. - pertaining to an anniversary:an anniversary gift. Abbr.:anniv.
- 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
- Anglo-French)
- Middle English anniversarie (1200–50
Collins Concise English Dictionary © HarperCollins Publishers::
'100th anniversary' also found in these entries (note: many are not synonyms or translations):