senseless

adjective

sense·​less ˈsen(t)s-ləs 

: destitute of, deficient in, or contrary to sense: such as

a

: unconscious

knocked senseless

b

: foolish, stupid

… it was some senseless practical joke …

—Arthur Conan Doyle

c

: meaningless

a senseless murder

senselessly adverb

senselessness noun

Synonyms of senseless

• unconscious

Examples of senseless in a Sentence

Don't be such a senseless idiot!

she collapsed, senseless, after hitting her head

Recent Examples on the Web

The lack of scoring and the senseless turnovers are the main reasons Golden State trailed early by double digits to Phoenix and went into the third quarter down 17 to a tanking Grizzlies team. —Jannelle Moore, Mercury News, 16 Feb. 2026

Her death — sudden, severe, senseless — is sickening. —Noel Murray, Vulture, 16 Feb. 2026

Cronin chided Bilodeau for those senseless fouls, but directed his frustration at the officials for the next few calls. —Aaron Heisen, Daily News, 8 Feb. 2026

She was taken from us in a violent and senseless way, and our family has been permanently changed. —Doug Lantz, ABC News, 6 Feb. 2026

Word History

First Known Use

circa 1547, in the meaning defined above

Rhymes for senseless

• defenseless

Kids Definition

senseless

adjective

sense·​less ˈsen(t)-sləs 

1

: unconscious entry 1 sense 2

knocked senseless

2

: foolish, stupid

3

: pointless sense 1, meaningless

a senseless act

senselessly adverb

senselessness noun