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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. Collide with force or violence
   "My car knocked into the tree";
   - bump
    
4. Make light, repeated taps on a surface
   "he was knocking his fingers on the table impatiently";
   - tap, rap, pink
    
5. Sound like a car engine that is firing too early
   "The car knocked when the ignition was too far retarded";
   - 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, damn

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

Sounds like: knobby, nonock

Derived forms: knocking, knocks, knocked

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

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

Encyclopedia: Knock, County Mayo Knock, Cumbria Knock, Ireland Knock Knock, Belfast Knock, County Clare Knock, Isle of Lewis Knock, Knock Who's There? Knock, knock Knock, knock, Ginger Knock, Knock, Ginger Knock, Knock, Who's There? Knock, Knock Ginger