1

unconscious

adjective un·con·scious \ ˌən-ˈkän(t)-shəs \
Updated on: 8 Dec 2017

Definition of unconscious

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

Examples of unconscious in a Sentence

  1. He was knocked unconscious by a fall.

  2. She was unconscious for three days after the accident.

Recent Examples of unconscious from the Web

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.

First Known Use of unconscious

1712

unconscious Synonyms

Synonyms
cold, insensible, senseless
Antonyms
conscious
Related Words
semiconscious; anesthetized; collapsed
Near Antonyms
alert, awake, aware, up; resuscitated, revived

2

unconscious

noun

Definition of unconscious

: 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)

First Known Use of unconscious

circa 1912


UNCONSCIOUS Defined for English Language Learners

unconscious

adjective

Definition of unconscious for English Language Learners

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

  • : not aware of something

  • : not intended or planned : not consciously done


unconscious

noun

Definition of unconscious for English Language Learners

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


UNCONSCIOUS Defined for Kids

unconscious

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

Definition of unconscious for Students

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

unconsciously

adverb
  • She unconsciously tightened her grip.

unconsciousness

noun

Medical Dictionary

1

unconscious

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

medical Definition of unconscious

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

unconsciously

adverb

unconsciousness

noun

2

unconscious

noun

medical Definition of unconscious

: 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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