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Verb: knock  nók
  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
Noun: knock  nók
  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: knocks, knocked, knocking

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, Knock, Who's There?