[ uhn-kon-shuhs ]
/ ʌnˈkɒn ʃəs /
Save This Word!

not conscious; without awareness, sensation, or cognition.
temporarily devoid of consciousness.
not perceived at the level of awareness; occurring below the level of conscious thought: an unconscious impulse.
not consciously realized, planned, or done; without conscious volition or intent: an unconscious social slight.
not endowed with mental faculties: the unconscious stones.
the unconscious, Psychoanalysis. the part of the mind containing psychic material that is only rarely accessible to awareness but that has a pronounced influence on behavior.
"Is" it time for a new quiz? "Are" you ready? Then prove your excellent skills on using "is" vs. "are."
Question 1 of 7
IS and ARE are both forms of which verb?

Origin of unconscious

First recorded in 1705–15; 1915–20 for def. 6; un-1 + conscious

OTHER WORDS FROM unconscious

un·con·scious·ly, adverbun·con·scious·ness, nounqua·si-un·con·scious, adjectiveself-un·con·scious, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use unconscious in a sentence

British Dictionary definitions for unconscious

/ (ʌnˈkɒnʃəs) /

lacking normal sensory awareness of the environment; insensible
not aware of one's actions, behaviour, etcunconscious of his bad manners
characterized by lack of awareness or intentionan unconscious blunder
coming from or produced by the unconsciousunconscious resentment
psychoanal the part of the mind containing instincts, impulses, images, and ideas that are not available for direct examinationSee also collective unconscious Compare subconscious, preconscious

Derived forms of unconscious

unconsciously, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for unconscious

[ ŭn-kŏnshəs ]

Of or in a state of unconsciousness; not conscious.
Occurring in the absence of conscious awareness or thought, as an emotion or motive.
Without conscious control; involuntary or unintended.
In psychoanalytic theory, the division of the mind containing elements of psychic makeup, such as memories or repressed desires, that are not subject to conscious perception or control but that often affect conscious thoughts and behavior.

Other words from unconscious

un•conscious•ly adv.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Cultural definitions for unconscious


The part of the psyche lying far below consciousness and not easily raised into consciousness. In Freudian psychology, the unconscious cannot be directly observed with the conscious mind, but it has its own processes and deeply affects conscious thought.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.