boneheadedly
English edit
Etymology edit
boneheaded + -ly
Adverb edit
boneheadedly (comparative more boneheadedly, superlative most boneheadedly)
- In a boneheaded manner; with stubborn foolishness.
boneheaded + -ly
boneheadedly (comparative more boneheadedly, superlative most boneheadedly)