senseless (adj.) 3
lacking in sense, stupid, foolish
AW II.i.124 [King to Helena] to esteem / A senseless help
Cym V.iv.148 [Posthumus alone] senseless speaking, or a speaking such / As sense cannot untie
E3 IV.iii.23 [Charles to Villiers] what is he, so senseless and secure, / That, having hardly passed a dangerous gulf, / Will put himself in peril there again?
TS I.ii.36 [Petruchio to Hortensio, of Grumio] A senseless villain