Unconscious

1. a. Having no knowledge by experience; — followed by of; as, a mule unconscious of the yoke.
2. a. Not conscious; having no consciousness or power of mental perception; without cerebral appreciation; hence, not knowing or regarding; ignorant; as, an unconscious man.
3. a. Not known or apprehended by consciousness; as, an unconscious cerebration.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.