RhymeZone: knock definitions

Definitions of knock:

noun: the act of hitting vigorously
noun: negative criticism
noun: a bad experience
Example: "The school of hard knocks"
noun: the sound of knocking (as on a door or in an engine or bearing)
Example: "The knocking grew louder"
noun: a vigorous blow
Example: "The sudden knock floored him"
verb: find fault with; express criticism of; point out real or perceived flaws
Example: "Don't knock the food--it's free"
verb: deliver a sharp blow or push :"He knocked the glass clear across the room"
verb: rap with the knuckles
Example: "Knock on the door"
verb: knock against with force or violence
verb: sound like a car engine that is firing too early
verb: make light, repeated taps on a surface
name: A surname (very rare: popularity rank in the U.S.: #56249)