claustrophobia
🇺🇸
/ˌklɔːstrəˈfəʊbiə/
🇬🇧
/ˌklɒstrəˈfəʊbiə/
A strong fear of being in a small space where you can't get out.
She felt claustrophobia when she entered the tiny elevator.
彼女は小さなエレベーターに入ったときに狭い空間恐怖症を感じた。