He was mute, negativistic, and assumed various uncomfortable and constrained attitudes.
Disposing causes of negativistic phenomena are: the ambitendency by which every impulse is accompanied by its opposite.
Very often the failure to swallow and anomalous habits of excretion seem to be negativistic in their nature.
A final stage of resistance is reached when propaganda develops a negativistic defensive reaction.
negativism neg·a·tiv·ism (něg'ə-tĭ-vĭz'əm)
A tendency to do the opposite of what one is requested to do, or to resist stubbornly for no apparent reason.