A manual downward motion of a piece in the video game Tetris that makes it land immediately (that is, within only one frame).

plural of hard drop

plural of hard copy

(originally Australia) The key effort in completing a difficult task.

A mechanical device that limits the travel of a mechanism. / A definite time when someone must end a task in order to meet another time commitment.

(pottery) Describing the condition of a clay or clay body when it has been partially dried to the point where all shrinkage has been completed.

Forced servitude in the form of physically difficult labor, usually as a penal punishment.

plural of hard shoulder

Not sensitive to the bit; not easily governed. / Hard-featured about the mouth.

(humorous, derogatory) Having difficulty in thinking; stupid.