Definitions For Knock

noun

• The act of hitting vigorously
• Negative criticism
• A bad experience
• The sound of knocking (as on a door or in an engine or bearing)
• A vigorous blow
• A hard, sharp hit
• The sound made by a hard hit
• An experience that makes you less confident or successful for a period of time : a difficult or painful experience

verb

• Find fault with; express criticism of; point out real or perceived flaws
• Deliver a sharp blow or push
• Knock against with force or violence
• Rap with the knuckles
• Sound like a car engine that is firing too early
• Make light, repeated taps on a surface
• To hit something (such as a door) with the knuckles of your hand or with a hard object (such as a knocker) in order to get people's attention
• To hit (something or someone) in a forceful way
• To touch or hit someone or something in a way that is not planned or intended