Definition of blockheaded:
- Stupid; dull.
slurred, thickheaded, stupid, thickset, buddy-buddy, thick, fatheaded, stocky, duncical, dense, hebetudinous, ability, thick-skulled, thick-witted, compact, duncish, boneheaded, heavyset, wooden-headed, obtuse, dimwitted, deep, chummy, loggerheaded.
- foolish (part of speech: adjective)
- "Marion's Faith.", Charles King.
- "Flamsted quarries", Mary E. Waller.