noun
inhibition
in-hih-BISH-un/ˌɪnhɪˈbɪʃn/
A restraint that slows or prevents an activity.
Her inhibition restrains her singing when an audience replaces the privacy she enjoys alone.

Etymology
The underlying image is holding something in or back. The noun named an authoritative prohibition and later a psychological check on an impulse, connecting external restraint with limits on one's own expression or action.
In context
Chastity is not a blind inhibition of physical impulses such that the values of the body and of sex are pushed down into the subconscious
More examples
- She loses her inhibitions when she sings with friends.
- The drug causes inhibition of the enzyme's activity.
- He speaks openly, without inhibition, about his feelings.
Forms
inhibition · inhibitions
inhibit verb — To hold back or prevent an activity.
inhibitory adjective — Tending to restrain or prevent activity.