claustrophobic

claustrophobic /ˌklɑːstrəˈfoʊbɪk/ adjective
claustrophobic
/ˌklɑːstrəˈfoʊbɪk/
adjective
Britannica Dictionary definition of CLAUSTROPHOBIC
[more claustrophobic; most claustrophobic]
1 
of a room, space, etc. : not having enough space for people to feel comfortable : causing claustrophobia
2 
: having a fear of being in closed or small spaces : having claustrophobia
3 
: not having or providing enough freedom

— claustrophobically

/ˌklɑːstrəˈfoʊbɪkli/ adverb