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knock

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[ US /ˈnɑk/ ]
[ UK /nˈɒk/ ]
NOUN
  1. the sound of knocking (as on a door or in an engine or bearing)
    the knocking grew louder
  2. negative criticism
  3. the act of hitting vigorously
    he gave the table a whack
  4. a bad experience
    the school of hard knocks
  5. a vigorous blow
    he got a bang on the head
    the sudden knock floored him
    he took a bash right in his face
VERB
  1. rap with the knuckles
    knock on the door
  2. make light, repeated taps on a surface
    he was tapping his fingers on the table impatiently
  3. knock against with force or violence
    My car bumped into the tree
  4. sound like a car engine that is firing too early
    the car pinged when I put in low-octane gasoline
    The car pinked when the ignition was too far retarded
  5. find fault with; express criticism of; point out real or perceived flaws
    The paper criticized the new movie
    Don't knock the food--it's free
  6. deliver a sharp blow or push
    He knocked the glass clear across the room
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How To Use knock In A Sentence

  • But they want it knocked back into a field of muck and dirt. Times, Sunday Times
  • He nearly knocked over a couple of pop fans en route. The Sun
  • Diving underweighted can lead to buoyant ascents at the end of the dive, so I am not advocating that everyone knocks a couple of kilos off the next time they dive.
  • The ceiling he had just plastered fell in and knocked him off his ladder.
  • Ray was knocking them down one by one, unlike his tragic ancestor who only knocked himself down.
  • Even if the knock is not severe enough to cause the skull to fracture, the brain bangs against the skull and can be damaged.
  • knocked silly by the impact
  • Ms Waterman says asbestos entered their flat through a hole which builders knocked in their wall.
  • My son caught it by knocking it off the car with a twig, then coaxing it on to a piece of card, and then putting it in a jam jar.
  • No man ever got very high by pulling other people down. The intelligent merchant does not knock his competitors. The sensible worker does not work those who who work with him. Don't knock your friends. Don't knock your enemies. Don't knock yourself. Alfred Tennyson 
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