hysterically (adverb)

1. The alien spaceship landed in the middle of the desert, and the townspeople hysterically ran toward it, unsure of what to expect.

2. As the killer chased her through the dark, empty house, she screamed hysterically for help.

3. The witch cackled hysterically as she cast a spell, turning the prince into a frog.

4. The comedian's funny impersonation of a hyperactive squirrel had the audience laughing hysterically.