Longman Dictionary of Contemporary English
bull-headed
adjective
EXAMPLES FROM CORPUS
▪ The boy may have sounded bull-headed and arrogant to you, but he knew something more.
Douglas Harper's Etymology Dictionary
Wiktionary
bull-headed
a. (alternative form of bullheaded English)
Usage examples of "bull-headed".
Towering, bull-headed, bewinged, and horned, the horde of balor rushed into the great chamber in a vast, earth-shaking stampede.
It wouldn't take me much trouble to persuade Chad Cranage and half a dozen other bull-headed fellows that they would be doing an acceptable service to the Church by hunting Will Maskery out of the village with rope-ends and pitchforks.
In Chase's father's day the ships of the line edged together, broadside to broadside, taking exquisite care never to expose their vulnerable bows and sterns to a raking, but this British fleet went bull-headed at the enemy.