Knockdown

[nɒkdaun]

(noun.) a blow that knocks the opponent off his feet.

(adj.) (furniture) easily assembled and dismantled; 'I bought a knockdown chest at the do-it-yourself store' .

Checker: Lola--From WordNet

(n.) A felling by a knock, as of a combatant, or of an animal.

(a.) Of force sufficient to fell or completely overthrow; as, a knockdown blow; a knockdown argument.

Typist: Wesley