inhibit

verb

1.
prohibit, forbid, or prevent from doing something
Material:
inhibitor
Derived from:
inhibition inhibitor inhibitory
2.
limit, block, or decrease the action or function of
Derived from:
inhibitor
3.
consciously restrain from showing; of emotions, desires, impulses, or behavior
quenching swallowing bottle up suppress
Derived from:
inhibition
4.
make (someone) self-conscious and as a result unable to act naturally