apparition

noun
UK /ˌæp.əˈrɪʃ.ən/
US /ˌæp.əˈrɪʃ.ən/

A ghost or strange figure that suddenly appears.

The children saw a white apparition floating near the old castle.


OTHER MEANINGS

2. The act of appearing suddenly.

The sudden apparition of the magician surprised everyone.

3. Something that seems strange or unreal.

The fog made the trees look like strange apparitions.

4. A surprising sight or thing that appears.

A rainbow appeared like a colorful apparition in the sky.