Answer: dopiest

AnswerCrossword Clue
DOPIESTMost moronic
DOPIESTMost stupid
DOPIESTMost preposterous
DOPIESTMost inane
DOPIESTMost bemused
DOPIESTMost boneheaded
DOPIESTDazed to the max
DOPIESTMost dazed
dopieststupid
dopiestsluggish or confused, as from drug use
dopiestDOPY, lethargic; stupid, also DOPEY