blockheaded

from WordNet (r) 3.0 (2006)

blockheaded
    adj 1: (used informally) stupid [syn: {blockheaded},
           {boneheaded}, {duncical}, {duncish}, {fatheaded},
           {loggerheaded}, {thick}, {thickheaded}, {thick-skulled},
           {wooden-headed}]

from The Collaborative International Dictionary of English v.0.48

Blockheaded \Block"head`ed\, a.
   Stupid; dull.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

25 Moby Thesaurus words for "blockheaded":
      beetleheaded, blockish, blunderheaded, boneheaded, cabbageheaded,
      chowderheaded, chuckleheaded, clodpated, dumbheaded, dunderheaded,
      fatheaded, jolterheaded, joltheaded, knuckleheaded, lunkheaded,
      muttonheaded, nitwitted, numskulled, pumpkin-headed, sapheaded,
      stupid, stupidheaded, thick, thickheaded, woodenheaded

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