revelation

noun
UK /ˌrevəˈleɪʃn/
US /ˌrevəˈleɪʃn/

A revelation is a big surprise that tells you something you did not know before.

The discovery of the hidden room was a revelation to the whole family.


OTHER MEANINGS

2. The act of making something known that was secret or hidden.

The revelation of the plan shocked everyone at the meeting.

3. A message or truth believed to come from God.

The prophet shared a revelation with the people.

4. The last book of the New Testament in the Bible.

The Book of Revelation describes visions of the end of the world.