Terrified
Part of speech: verb
Definition: To frighten greatly; to fill with terror.
Example sentence: I'll tell you what me scares me is plastic. Plastic bags and plastic bottles and these things. Why does my water have to be in a bloody plastic bottle? The landfill and the ocean. And I don't know, I'm just terrified with the proliferation of plastic.
Panic-stricken
Part of speech: adjective
Definition: Very frightened, and unable to react sensibly because of panic.