1. (

• knockdown

) a blow that knocks the opponent off his feet ;

1. (

• down ,
• knock_down ,
• cut_down ,
• push_down ,
• pull_down

) cause to come or go down; "The policeman downed the heavily armed suspect"; "The mugger knocked down the old lady after she refused to hand over her wallet" ;

2. (

• deck ,
• coldcock ,
• dump ,
• knock_down ,
• floor

) knock down with force; "He decked his opponent" ;

3. (

• blast ,
• knock_down

) shatter as if by explosion ;

1. (

• knock-down ,
• powerful ,

) strong enough to knock down or overwhelm; "a knock-down blow" ;