dunderheaded Synonyms

beef-witted wooden scatty addlebrained addlepated barmy airheaded empty-headed boneheaded fatheaded thickheaded wooden-headed mentally retarded slow-witted simple-minded half-witted blockheaded blockish boeotian bovine brainless chuckleheaded cretinous doltish dotish dozy dull-witted feeble-minded unintelligent