Assumed or borne, as a responsibility or something blameworthy. / Assigned by government authorities as a bounty or penalty.

Used other than figuratively or idiomatically: see in, one's, head. / (idiomatic, of information, a plan, etc.) Within one's intellect, memory, or mind.

(idiomatic) More complex or confusing than one can understand; beyond one’s comprehension. / (idiomatic) More than one can handle; too much (especially in over one's head).

(idiomatic) A compensation for capturing or killing a person, especially someone guilty of a crime.

(figuratively) To be killed, usually in a gruesome manner. / (literally) To suffer decapitation.

(figuratively, Australia, New Zealand) To withdraw; to discontinue what one is doing or saying; to back off.

(idiomatic) To puzzle, ponder, or wonder about something.

(idiomatic) To remain calm, reasonable, level-headed, especially in a situation likely to cause distress.

To move one's head from side to side, in a repeated swiveling motion from the neck, to indicate disagreement, negation, disbelief, disapproval or dismay.

present participle of shake one's head