I. ˌən-ˈkän(t)-shəs adjective
Date: 1712
1.
a. : not knowing or perceiving : not aware
b. : free from self-awareness
2.
a. : not possessing mind or consciousness
unconscious matter
b.
(1) : not marked by conscious thought, sensation, or feeling
unconscious motivation
(2) : of or relating to the unconscious
c. : having lost consciousness
was unconscious for three days
3. : not consciously held or deliberately planned or carried out
an unconscious bias
• un·con·scious·ly adverb
• un·con·scious·ness noun
II. noun
Date: circa 1912
: the part of mental life that does not ordinarily enter the individual's awareness yet may influence behavior and perception or be revealed (as in slips of the tongue or in dreams)