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WordNet
knock-down

adj. strong enough to knock down or overwhelm; "a knock-down blow" [syn: knock-down(a), powerful]

Usage examples of "knock-down".

Whiskey or rum taken unmixed from a tumbler is a knock-down blow to temperance, but the little thimbleful of brandy, or Chartreuse, or Maraschino, is only, as it were, tweaking the nose of teetotalism.

Those of them who best loved a good knock-down drag-out fight, an ambush, or a raid for plunder, were out beyond the roboid-manned barrier line fighting Oggbad's army.