knockout
Noun · AdjectiveWordNet 3.0
Noun (2)
Webster's Dictionary (GCIDE)
Knock-out \Knock"-out`\, a. That knocks out; characterized by knocking out; as, a knock-out blow; a knock-out key for knocking out a drill from a collet. [Webster 1913 Suppl.] knockout
knockout \knock"out`\, knock-out \knock"-out`\, n. Act of knocking out, or state of being knocked out; the act of rendering a person unconscious by a blow. [WordNet sense 1] [Webster 1913 Suppl. + WordNet 1.5]
2.a blow which causes a person to become unconscious.
Syn: knockout blow, knockout punch. [WordNet 1.5]
3.(Boxing) the winning of a boxing contest by rendering the opponent unable to stand for a specified period, usually a count of ten; -- in contrast to a win by a decision; as, Muhammed Ali won by a knockout in the first round. [WordNet 1.5]
4.a strikingly beautiful woman. [Informal] [PJC] knockout drops