Catatonic refers to a persom with Catatonia or Catatonic Schizophrenia which is characterized by marked motor abnormalities including immobility (catalepsy or stupor), excessive motor activity (purposeless agitation), extreme negativism , mutism, posturing or stereotyped movements , Echolalia , and/or Echopraxia .
Other /More definition:
Catatonic means excitement state of constant agitation and excitability