unconscious

adjective
un·​con·​scious | \ ˌən-ˈkän(t)-shəs \

Definition of unconscious 

(Entry 1 of 2)

1a : having lost consciousness was unconscious for three days
b(1) : not marked by conscious thought, sensation, or feeling unconscious motivation
(2) : of or relating to the unconscious
c : not possessing mind or consciousness unconscious matter
2a : not knowing or perceiving : not aware
b : free from self-awareness
3 : not consciously held or deliberately planned or carried out an unconscious bias

unconscious

noun

Definition of unconscious (Entry 2 of 2)

: 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)

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Other Words from unconscious

Adjective

unconsciously adverb
unconsciousness noun

Synonyms & Antonyms for unconscious

Synonyms: Adjective

cold, insensible, senseless

Antonyms: Adjective

conscious

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Examples of unconscious in a Sentence

Adjective

He was knocked unconscious by a fall. She was unconscious for three days after the accident.

Recent Examples on the Web: Adjective

The victim in Monday’s attack was unconscious at a nearby hospital, authorities said. Benjamin Brown, Fox News, "Suspect arrested in brutal bat attacks on homeless men in California," 25 Sep. 2018 Police and paramedics responded to a Fortune Drive home after reports that an infant was unconscious. Ruth Bruno, courant.com, "Police Investigate Death Of New Haven Baby," 6 July 2018 An officer located a woman who appeared to be unconscious in a vehicle. Everton Bailey Jr., OregonLive.com, "Tualatin man accused of killing his mom, injuring brother," 15 May 2018 Once the woman was unconscious, police said Navarro took a pair of keys off her body and dragged her out the back door of the building and into another room. Robert Gundran, azcentral, "Man beat, sexually assaulted coworker after she turned him down for date, police say," 10 May 2018 Remarkably, the more predictable these waxing and waning rhythms were, the more likely the brain was unconscious. Christof Koch, Scientific American, "What Is Consciousness?," 8 May 2018 Kraig reportedly called his girlfriend home from work, telling her the child had become unconscious. Bradford Betz, Fox News, "Man gets 10 years for killing girlfriend's 2-year-old son," 1 Aug. 2018 But after several hours of searching, Ruby picked up a scent and ran straight to the boy, who was unconscious but alive in the woods near Patricia’s house. Woman's Day Staff, Woman's Day, "This Abandoned Shelter Dog Rescued the Missing Son of Her Former Trainer," 20 Nov. 2018 The person appears unconscious or asleep and the woman is gentle in her touch. Caroline Hallemann, Town & Country, "What the New Opening Credits for Outlander Teach Us About Season 4," 2 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unconscious.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unconscious

Adjective

1712, in the meaning defined at sense 2a

Noun

circa 1912, in the meaning defined above

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Statistics for unconscious

Last Updated

15 Jan 2019

Look-up Popularity

Time Traveler for unconscious

The first known use of unconscious was in 1712

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More Definitions for unconscious

unconscious

adjective

English Language Learners Definition of unconscious

 (Entry 1 of 2)

: not awake especially because of an injury, drug, etc.

: not aware of something

: not intended or planned : not consciously done

unconscious

noun

English Language Learners Definition of unconscious (Entry 2 of 2)

: the part of the mind that a person is not aware of but that is often a powerful force in controlling behavior

unconscious

adjective
un·​con·​scious | \ ˌən-ˈkän-shəs \

Kids Definition of unconscious

1 : not aware He was unconscious of being watched.
2 : having lost consciousness I was knocked unconscious by the fall.
3 : not intentional or planned an unconscious error

Other Words from unconscious

unconsciously adverb She unconsciously tightened her grip.
unconsciousness noun

unconscious

adjective
un·​con·​scious | \ ˌən-ˈkän-chəs \

Medical Definition of unconscious 

(Entry 1 of 2)

1 : not marked by conscious thought, sensation, or feeling unconscious motivation
2 : of or relating to the unconscious
3 : having lost consciousness was unconscious for three days

Other Words from unconscious

unconsciously adverb
unconsciousness noun

unconscious

noun

Medical Definition of unconscious (Entry 2 of 2)

: the part of mental life that is not ordinarily integrated or available to consciousness yet may be manifested as a motive force in overt behavior (as in neurosis) and is often revealed (as through dreams, slips of the tongue, or dissociated acts) — compare subconscious

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