Definitions

1. noun

a feeling of shock or horror, especially at something unpleasant or disturbing

“The ghast of seeing the accident still lingered on her face hours later.”

2. verb

to fill or affect someone with a feeling of shock or horror

“The gruesome scene in the movie will ghast many viewers.”

3. adjective

causing or inspiring a feeling of shock or horror

“The ghast landscape of the abandoned town was a sight to behold.”