Definitions

1. present participle

the state of being in a state of sudden fear or anxiety, often resulting in irrational behavior

“As the stock market began to plummet, the investor was panicking and selling his shares.”

2. gerund

the act of panicking

“The crowd’s panicking caused a stampede at the concert venue.”

3. verb

to lose control and become extremely frightened or anxious

“After seeing the horror movie, she was panicking and wouldn’t sleep that night.”