Word.ws English Dictionary

Opposite Day

Opposite Day proper noun: a contrived holiday on which everything is done backwards, for example "yes" means "no".

Proper noun

Opposite Day

  1. (childish) A contrived holiday on which everything is done backwards, for example "yes" means "no".

Forms of Opposite Day

alternative formOpposites Day

Questions about Opposite Day

What does Opposite Day mean?
Opposite Day means a contrived holiday on which everything is done backwards, for example "yes" means "no".
What part of speech is Opposite Day?
Opposite Day is a proper noun.

Words near Opposite Day in the dictionary

  1. opposingly
  2. opposit
  3. opposite
  4. opposite angle
  5. opposite angles
  6. Opposite Day
  7. opposite number
  8. opposite numbers
  9. opposite sex
  10. opposite side
  11. opposite sides

Source and license

Adapted from Wiktionary: Opposite Day (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-Opposite Day.wav.

Cite this entry: “Opposite Day.” Word.ws, https://word.ws/opposite_day. Based on Wiktionary, CC BY-SA 4.0.