Having two heads; two-headed.

(obsolete) Mentally dull; stupid.

silly; simple-minded; stupid

(colloquial) giddy; frivolous; foolish

(colloquial, dated) stupid

Having two heads or faces on one body. / Directed by two heads or chiefs; existing under two coordinate authorities.

Having good intellectual powers: sagacious.

Having a thick head like a club (the weapon).

addlepated

Having a head like that of a nail. / Formed like the heads of nails; said of ornamental marks on cloth and on certain kinds of mouldings (dogtooth).