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1. Deliver a sharp blow or push
   "He knocked the glass clear across the room"
   - strike hard
    
2. Rap with the knuckles
   "knock on the door"
    
3. Knock against with force or violence
   - bump
    
4. Make light, repeated taps on a surface
   - tap, rap, pink
    
5. Sound like a car engine that is firing too early
   - pink, ping
    
6. Find fault with; express criticism of; point out real or perceived flaws
   "Don't knock the food--it's free"
   - criticize, criticise [Brit], pick apart

1. The sound of knocking (as on a door or in an engine or bearing)
   - knocking
    
2. Negative criticism
   - roast
    
3. A vigorous blow
   "the sudden knock floored him"
   - bash, bang, smash, belt
    
4. A bad experience
   "the school of hard knocks"
    
5. The act of hitting vigorously
   - belt, rap, whack, whang

Sounds like: nock

Derived forms: knocking, knocks, knocked

See also: knock about, knock against, knock down, knock out, knock over, knocker

Type of: bad luck, blow, bump, collide with, comment, criticism, critique, go, hit, impinge on, knap [archaic], misfortune, notice, point out, rap, remark, run into, sound, strike

Encyclopedia: Knock, County Mayo Knock, Belfast Knock Knock, knock Knock, Isle of Lewis Knock, Ireland