On account of this weakness of the inhibitor in the germ-plasm of No. 117 that inhibitor is rarely fully activated. in·hib·i·tor also in·hib·it·er (ĭn-hĭb′ĭ-tər) n. One that inhibits, as a substance that retards or stops a chemical reaction. inhibitor (ɪnˈhɪbɪtə) n. She laughed loudly and without inhibition. an innate inhibition made it difficult for him to tell his girlfriend what he was really feeling inhibition [in″hĭ-bish´un] 1. arrest or restraint of a process. 2. in psychoanalysis, the conscious or unconscious restraining of an impulse or desire. adj., adj. inhibition in·hi·bi·tion (ĭn'hə-bĭsh'ən, ĭn'ə-) n. The act of inhibiting or the state of being inhibited. Something that restrains, blocks, or suppresses. Competitive inhibition is a form of enzyme inhibition where binding of the inhibitor to the active site on the enzyme prevents binding of the substrate and vice versa. Something in your mind that keeps you from doing something that you really want to do/happen. Often the reason why a man won't make a move on a lad. In competitive inhibition, the substrate and inhibitor cannot bind to the enzyme at the same time, as shown in the figure on the right. This usually results from the. Inhibition, in psychology, conscious or unconscious constraint or curtailment of a process or behaviour, especially of impulses or desires. in·hi·bi·tion (ĭn′hə-bĭsh′ən, ĭn′ə-) n. 1. The act of inhibiting or the state of being inhibited. 2. Something that restrains, blocks, or suppresses. 3.