Definition of "catatonic" in English

adjective

1. (medicine) Of, relating to, or suffering from catatonia; having a tendency to remain in a rigid state of stupor for long periods which give way to short periods of extreme agitation.

   • However, he was looking a lot more catatonic and depressed before and sometimes we find that on the anti-depressants you remove the depression and uncover the paranoid stuff and we may have to give him larger quantities of tranquilizers just to tone this down.

2. (figuratively) Motionless and unresponsive, as from shock; withdrawn.

noun

1. (medicine) A patient in a state of catatonia.