bigrevelation

noun
UK /ˌbɪɡ rɛvəˈleɪʃən/
US /ˌbɪɡ rɛvəˈleɪʃən/

A big revelation is a sudden, surprising thing you learn that changes how you think.

Finding out the stray cat was actually the neighbor's lost pet was a big revelation for the whole class.


OTHER MEANINGS

2. A major moment in a story when an important secret is finally told.

The movie's big revelation came at the very end, when the hero learned who his real father was.

3. A large and important fact that scientists or experts uncover.

The big revelation from the study was that bees can recognize human faces.

4. A personal moment when you suddenly understand something about yourself.

Her big revelation was that she loved painting more than playing video games.