sense ‧ less /ˈsensləs/ BrE AmE adjective
[ Word Family: adjective : ↑ sensible , ↑ insensible , ↑ senseless , ↑ sensitive ≠ ↑ insensitive , ↑ sensory , ↑ nonsensical , ↑ insensate ; noun : ↑ sense ≠ ↑ nonsense , ↑ sensibility ≠ ↑ insensibility , ↑ sensitivity ≠ ↑ insensitivity , ↑ senselessness , ↑ sensitization , ↑ sensor ; adverb : ↑ sensibly , ↑ senselessly , ↑ sensitively ≠ ↑ insensitively ; verb : ↑ sense , ↑ sensitize ]
1 . happening or done for no good reason or with no purpose:
Her death seemed such a senseless waste of life.
a senseless crime
2 . unconscious:
He had been beaten senseless.
—senselessly adverb
—senselessness noun [uncountable]