Synonyms of unconscious

unconscious

adjective

ˌən-ˈkän(t)-shəs 

1

as in cold

having lost consciousness

the guard was knocked unconscious by a blow to the head

Synonyms & Similar Words

• cold
• senseless
• collapsed
• insensible
• semiconscious
• 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
• clueless
• unknowing
• in the dark
• incognizant
• insensible
• innocent
• nescient
• unacquainted
• uneducated
• untaught
• unschooled
• inattentive
• heedless
• abstracted
• absent
• inconscient
• absentminded

Antonyms & Near Antonyms

• conscious
• aware
• grounded
• informed
• acquainted
• cognizant
• knowing
• mindful
• conversant
• hip
• taught
• up-to-date
• knowledgeable
• educated
• witting
• sensitive
• observant
• plugged-in
• sentient
• au courant
• schooled
• heedful

Example Sentences

Recent Examples of unconscious

Christa Pike is unconscious and on a ventilator after a botched execution in Tennessee, when the lethal drugs she was injected with failed to kill her. — Victoria Craw, Washington Post, 2 Oct. 2026

Officers are required to undergo psychological screening and training aimed at teasing out unconscious biases. — Libor Jany, Los Angeles Times, 30 Sep. 2026

The driver was unconscious; Boyd’s stepfather and his crew scoured the site desperately. — Peter Hessler, New Yorker, 28 Sep. 2026

Police say officers responding to a 911 call about an unconscious person discovered the 63-year-old victim at a gazebo near East Drive and 74th Street with trauma to her head. — Jesse Zanger, CBS News, 27 Sep. 2026