1. a person who suffers from claustrophobia (fear of enclosed or confined spaces)

Examples

• As a claustrophobe, she avoided elevators whenever possible.
• The claustrophobe felt anxious in the small, windowless room.
• Being a claustrophobe made subway travel particularly challenging for him.
• The claustrophobe requested an aisle seat on the airplane.
• She realized she was a claustrophobe after panicking in the MRI machine.
• The claustrophobe preferred open-air restaurants to cramped indoor spaces.