Definition of "unconscious" in English

adjective

1. Not awake; having no awareness (usually as the result of a head injury).

   • After the anesthetist administered the general anesthetic the patient was unconscious.

2. (psychology) Without directed thought or awareness.

   • My sudden fright was an unconscious response.

3. (sports) engaged in skilled performance without conscious control.

noun

1. (psychology) That part of mind that is not consciously perceived.