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

—A. Conan Doyle

c

: meaningless

a senseless murder

senselessly adverb

senselessness noun

Synonyms

• 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

This was a senseless and tragic loss. —Jordan King, MSNBC Newsweek, 16 Sep. 2025

The quiet schism in sports over whether to acknowledge Kirk as an important figure cut down in a senseless murder may reflect today’s uneasy balance between conservative power and the norms of what are often regarded as apolitical spaces, particularly by conservatives themselves. —Miles Klee, Rolling Stone, 16 Sep. 2025

What happened to Mark's wife Gabby is just senseless. —Lalee Ibssa, ABC News, 14 Sep. 2025

Our condolences go out to the Kirk family and all those affected by this senseless act. —City News Service, Oc Register, 11 Sep. 2025

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