boneheaded

dense dimwitted doltish dumb empty-headed loggerheaded obtuse simple simpleminded thick-skulled thickheaded unintelligent

blockheaded dense doltish dumb empty-headed half-witted loggerheaded obtuse simple simpleminded thick-skulled thickheaded unintelligent

blockheaded blockish brainless cloddish dense dimwitted dumb empty-headed half-witted loggerheaded oafish obtuse simple simpleminded thickheaded unintelligent

absurd asinine birdbrained brainless dense dull foolish idiotic imbecile inane insensate jerky lamebrained ludicrous lunatic mad mindless moronic puerile sappy silly simple vacuous witless

aware bright intelligent keen sensible smart

idiotic ill-conceived witless

backward batty birdbrained blockheaded brainless crazy dumb foolish harebrained ignorant impractical indiscreet poorly planned senseless short-sighted silly sophomoric underdeveloped unformed

intelligent smart thoughtful wise

dense dull

blockheaded brainless dim-witted doltish dopey dumb ignorant insensitive moronic numbskulled obtuse slow slow-witted thickheaded

intelligent smart

attenuated clear diluted loose reasonable sensible slight thin uncrowded unfriendly unsociable watery wise

blockheaded dense dull dumb idiotic stupid