the world > movement > impact > striking > striking with specific degree of force > [adjective] > striking hard or vigorously (8)
That knocks (see the verb); †figurative violent, forcible, ‘thumping’; ‘knock-down’, clinching, decisive.
Capable of striking something with force. Frequently in sporting contexts.
That inflicts damage. Sport (originally Boxing). Hard-hitting; strong, forceful.
Hitting or striking hard. Also figurative.