catatonia

Meanings

1. A severe psychiatric condition, often associated with schizophrenia, characterized by a tendency to remain in a rigid state of stupor for long periods which give way to short periods of extreme agitation.
2. A frozen, unresponsive state, as of electronic equipment.

Etymology

From international scientific vocabulary, from German Katatonie, from New Latin catatonia, from a Greek word meaning to stretch tight. By surface analysis, cata- + tone + -ia.