Definitions
1.verbTo strike for admittance; to rap upon, as a door.
2.verbTo criticize verbally; to denigrate; to undervalue."Don’t knock it until you’ve tried it."
3.verbTo kick a ball towards another player; to pass.
4.verbTo impress forcibly or strongly; to astonish; to move to admiration or applause.
5.verbTo bump or impact."I accidentally knocked my drink off the bar."
6.verbTo rap one's knuckles against something, especially wood."Knock on the door and find out if they’re home."