Answer: moronic

AnswerCrossword Clue
MORONIC

Thickheaded

MORONIC

Completely stupid

MORONIC

Senseless

MORONIC
Half-baked
MORONIC
Ninnylike
MORONICIncredibly stupid
MORONICDumb
MORONICAsinine
MORONICFoolish
MORONICNot very bright
MORONICStupid
MORONICDull
MORONICInane.
MORONICOf twelve-year-old mentality.
MORONICDense
MORONICBrainless
MORONICReally dumb
MORONICJust plain dumb
MORONICFeeble