unconscious
1 of 2adjective
un·con·scious ˌən-ˈkän(t)-shəs 
1
a
: 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
2
a
: not knowing or perceiving : not aware
b
: free from self-awareness
3
: not consciously held or deliberately planned or carried out
an unconscious bias
unconsciously adverb
unconsciousness noun
unconscious
2 of 2noun
: 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)
Synonyms
Adjective
- cold
- insensible
- senseless
See all Synonyms & Antonyms 
Example Sentences
Adjective He was knocked unconscious by a fall. She was unconscious for three days after the accident.
Recent Examples on the Web
Mary Carole Mccauley, Baltimore Sun, 14 Sep. 2022 They were knocked to the ground and appeared to be unconscious, while the rest of the crew was stunned. Thania Garcia, Variety, 7 Sep. 2022 Attorneys said the driver in the Windsor Hills crash might have been unconscious. Jason Sanchez, Los Angeles Times, 3 Sep. 2022 By the time Tennyson arrived at the last step, his opponent was unconscious. The Courier-Journal, 25 Aug. 2022 Johns Creek officers were called to the suspects’ home July 18 after reports that the baby was unconscious and not breathing despite the child’s grandmother’s attempts to revive him. Matt Bruce, ajc, 24 Aug. 2022 The victim was reported to be unconscious, a police spokeswoman said. Omari Daniels, Washington Post, 23 Aug. 2022 Treatment can vary slightly but generally consists of the same steps whether a person is able to communicate with doctors or is unconscious. Jessica Toscano, SELF, 16 Aug. 2022 The driver, Steven Posco, 55, of Liberty, Indiana, went into cardiac arrest and was unconscious when first responders arrived, authorities said. Antonio Planas, NBC News, 15 Aug. 2022 See More
Adjective
Edwards was unconscious during the attack and never saw the man’s face. Mary Carole Mccauley, Baltimore Sun, 14 Sep. 2022 They were knocked to the ground and appeared to be unconscious, while the rest of the crew was stunned. Thania Garcia, Variety, 7 Sep. 2022 Attorneys said the driver in the Windsor Hills crash might have been unconscious. Jason Sanchez, Los Angeles Times, 3 Sep. 2022 By the time Tennyson arrived at the last step, his opponent was unconscious. The Courier-Journal, 25 Aug. 2022 Johns Creek officers were called to the suspects’ home July 18 after reports that the baby was unconscious and not breathing despite the child’s grandmother’s attempts to revive him. Matt Bruce, ajc, 24 Aug. 2022 The victim was reported to be unconscious, a police spokeswoman said. Omari Daniels, Washington Post, 23 Aug. 2022 Treatment can vary slightly but generally consists of the same steps whether a person is able to communicate with doctors or is unconscious. Jessica Toscano, SELF, 16 Aug. 2022 The driver, Steven Posco, 55, of Liberty, Indiana, went into cardiac arrest and was unconscious when first responders arrived, authorities said. Antonio Planas, NBC News, 15 Aug. 2022 See More Word History
First Known Use
Adjective
1712, in the meaning defined at sense 2a
Noun
circa 1912, in the meaning defined above
Phrases Containing unconscious
Kids Definition
unconscious
adjective
un·con·scious ˌən-ˈkän-shəs
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
Medical Definition
unconscious 1 of 2
adjective
un·con·scious ˌən-ˈkän-chəs
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
unconscious
2 of 2noun
: 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
unconscious
adjective
1
as in cold
having lost consciousness the guard was knocked unconscious by a blow to the head Synonyms & Similar Words
Relevance
- cold
- semiconscious
- collapsed
- senseless
- insensible
- anesthetized
Antonyms & Near Antonyms
- conscious
- aware
- awake
- up
- alert
- revived
- resuscitated
2
as in unaware
not informed about or aware of something unconscious of the somber expression she wore Synonyms & Similar Words
- unaware
- oblivious
- ignorant
- unmindful
- uninformed
- unwitting
- unknowing
- clueless
- incognizant
- unacquainted
- insensible
- nescient
- innocent
- uneducated
- untaught
- inconscient
- unschooled
- abstracted
- inattentive
- in the dark
- heedless
- absent
- absentminded
Antonyms & Near Antonyms
- conscious
- aware
- informed
- grounded
- cognizant
- mindful
- acquainted
- knowing
- conversant
- hip
- taught
- knowledgeable
- educated
- witting
- schooled
- observant
- sensitive
- heedful
- sentient
- plugged-in
- up-to-date
- au courant