knocking

/ˈnɑkɪŋ/
noun
  1. The sound of someone or something hitting a surface, especially a door, repeatedly.
    • There was a persistent knocking on the window late at night.
    • I heard a loud knocking at the front door.
    • The knocking from the engine worried the driver.
adjective
  1. Making a knocking sound; used to describe an engine or machine that makes a repeated tapping noise due to a problem.
    • A knocking noise in the washing machine usually indicates a loose part.
    • We had to replace the knocking radiator in the old house.
    • The knocking sound from the car's engine means it needs repair.
verb
  1. Present participle of knock: striking a surface to make a sound, especially to get attention.
    • She is knocking on the door to see if anyone is home.
    • Stop knocking on the table with your fork.
    • The plumber was knocking on the pipes to check for blockages.
  2. Criticizing or finding fault with someone or something.
    • He is always knocking the new policies at work.
    • Stop knocking your brother's cooking; it tastes fine.
    • The critics are knocking the movie for its weak plot.
Antonyms
What does "knocking" mean? | whatsthatwordmean | whatsthatwordmean