panic
nounUK /ˈpæn.ɪk/
US /ˈpæn.ɪk/
A very strong feeling of fear that makes you act without thinking.
She felt a sudden panic when she couldn't find her little brother in the crowd.
OTHER MEANINGS
2. A sudden situation in which many people become very frightened and act in a wild, uncontrolled way.
The fire caused a panic in the crowded theater.
3. To suddenly feel very afraid and lose control of your actions.
Don't panic—we have plenty of time to finish.
4. A feeling of urgent worry about everyday things, like being late or losing something.
He panicked when he realized his phone was missing.