KNOCK

Definition of KNOCK

  1. (noun)the sound of knocking (as on a door or in an engine or bearing)
  2. (noun)negative criticism
  3. (noun)a vigorous blow
  4. (noun)a bad experience
  5. (noun)the act of hitting vigorously
  6. (verb)deliver a sharp blow or push
  7. (verb)rap with the knuckles
  8. (verb)knock against with force or violence
  9. (verb)make light, repeated taps on a surface
  10. (verb)sound like a car engine that is firing too early
  11. (verb)find fault with; express criticism of; point out real or perceived flaws