knock-down(a)

[adj] - strong enough to knock down or overwhelm
Found on http://www.webdictionary.co.uk/definition.php?query=knock-down(a)

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knock-down(a)

adjective strong enough to knock down or overwhelm; `a knock-down blow`
Found on http://wordnetweb.princeton.edu/perl/webwn?s=knock-down(a)

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