Source : Webster's Revised Unabridged Dictionary (1913)

Doltish \Dolt"ish\, a.
   Doltlike; dull in intellect; stupid; blockish; as, a doltish
   clown. -- {Dolt"ish*ly}, adv. -- {Dolt"ish*ness}, n.

Source : WordNet®

doltish
     adj : heavy and dull and stupid [syn: {cloddish}]