Claustrophobia (noun)

An abnormal fear of being in enclosed or narrow spaces.

Origin:

New latin, from latin claustrum closed place + new latin -phobia.

Examples:

1. He has a severe case of claustrophobia and avoids elevators and tight spaces.
2. She suffers from claustrophobia and cannot handle being in small rooms or tight spaces.
3. The patient reported having claustrophobia symptoms when in an MRI machine.
4. Claustrophobia can make it difficult for people to travel on airplanes or subways.
5. The small, cramped room triggered his claustrophobia and he had to leave immediately.