C1 adjective /ɪnˈhɪbɪtɪd/
inhibited
сдержанный
Meaning
Unable to act in a relaxed and natural way, especially due to self-consciousness or restraint.
Example
He was too inhibited to express his true feelings.
Он был слишком сдержан, чтобы выразить свои истинные чувства.