mindless Synonyms

reasonless senseless forgetful unmindful vacuous undiscerning unthinking unwary witless zoic zooidal unobservant scatty barmy empty-headed unmeaning ungifted reckless respectless shortsighted silly simple simple-minded slow slow-witted stupid thick thoughtless unconsidered featherbrained feebleminded imbecilic unintelligent lamebrained pea-brained scatterbrained undiscriminating unheeding unperceptive unreflective unscholarly unseeing untalented birdbrained short-sighted amnesiac dopey unreasoning boneheaded thickheaded