Open ground, having a hard surface, used for the storage of material or the parking of vehicles

A high-density chipboard.

(ball games) In baseball, a type of ball and baseball game, as opposed to softball. / Tough or ruthless behavior, especially in combat, politics or business.

Being or exhibiting tough or ruthless behavior, especially in combat, politics or business.

(transitive) To exhibit tough and ruthless behavior towards.

(idiomatic) To use every means possible to achieve a goal, especially in disregarding the harm caused. / (idiomatic) To act rough and ruthless, especially in politics or business.

plural of hardball

plural of hardware cloth

(uncountable) A flexible wire-mesh material, consisting of loosely woven wires in a simple rectangular grid.

(idiomatic, usually reflexive, dated) To make someone more resistant to something.