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