a. Obs. [f. as prec. + -LY1.] Of or pertaining to, or like a blockhead; stupid.
1612. Chapman, Widdowes T., Dram. Wks. 1873, III. 18. Your blockheadly tradesman.
1693. Shadwell, Volunteers, IV. Plays 1720, IV. 467. This is made up by some blockheadly Fellow!
1694. Echard, Plautus, 4. What a blockheadly question for a Deity to ask?