1909 1 June 2/3 Sullivan played rather boneheadedly and..badly handled several grounders.
1976 20 Oct. 6/1 It's not so much the abuses of power as the boneheadedly literal applications of it that cause most problems.
2013 E. Weiss x. 149 I had concocted an entire persona and..‘career’ out of the boneheadedly simple act of cycling.