inhibitory          
adjective uk/ɪnˈhɪb.ɪ.tər.i/ us/ɪnˈhɪb.ɪ.tɔːr.i/
 medical, biology specialized有抑制作用的;有约束作用的 
with the effect or function of inhibiting (= stopping or slowing down) a process
  inhibitory neurons 有抑制作用的神经元 
 an inhibitory effect on mould growth 对霉菌生长有抑制作用 
  formal使…拘谨的;使…有顾忌的 
with the effect of preventing someone from doing something because they feel nervous or embarrassed
  the part of the brain associated with judgment and inhibitory control  这部分大脑与判断力和控制力有关