noun
anniversary
a-nih-VURS-ree
noun
1
The yearly date on which a significant past event, such as a wedding, is remembered or celebrated.
"They celebrated their tenth wedding anniversary in Italy."
"The company marked its fiftieth anniversary with a big event."
How to Use Anniversary
Learner’s notesIn plain EnglishThe yearly date marking a past event.
Common pairings
wedding anniversary
anniversary gift
mark the anniversary
Word Forms
anniversaries plural
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They celebrated their tenth wedding _____ in Italy.
Etymology
From Medieval Latin anniversarius ("returning yearly"), from annus ("year") + versus, from vertere ("to turn").