'catatonic' definitions:

Definition of 'catatonic'

From: WordNet
adjective
Characterized by catatonia especially either rigidity or extreme laxness of limbs

Definition of 'catatonic'

From: GCIDE
  • catatonic \cat`a*ton"ic\ adj.
  • 1. of or pertaining to catatonia; suffering from catatonia. [WordNet 1.5]
  • 2. appearing mentally stupefied, unresponsive, and motionless, or almost so; seemingly unaware of one's environment. [Colloq.] [PJC]

Definition of 'catatonic'

From: GCIDE
  • catatonic \catatonic\ n. a person suffering from catatonia. [PJC]