inhibition
in.hi.bi.tion \.in-(h)*-'bish-*n\ n 1a: the act of inhibiting : the state of being inhibited 1b: something that forbids or debars 2: an inner impediment to free activity, expression, or functioning : as 2a: a psychical activity imposing restraint upon another activity 2b: a restraining of the function of a bodily organ or an agent (as an enzy me)