I. ˈ ̷ ̷lə̇s adjective
: destitute of, deficient in, or contrary to sense: as
a. : lacking sensibility or feeling : insensible , unconscious ; also : incapable of sensation or perception
b. archaic : having no consciousness
c. : deficient in knowledge, appreciation, or reasoning power : stupid
d. : lacking good sense : unwise , unreasonable , nonsensical
e. : proceeding from or characterized by lack of intelligence or meaning : foolish , purposeless , meaningless
a senseless custom
• sense·less·ly adverb
• sense·less·ness noun -es
II. adverb
obsolete : senselessly