|1.||[ verb ] deliver a sharp blow or push :"He knocked the glass clear across the room."|
|Related terms:||strike knock_cold knock_cold overturn deck|
|2.||[ verb ] rap with the knuckles|
"knock on the door"
|3.||[ verb ] knock against with force or violence|
"My car bumped into the tree"
|Related terms:||hit buffet run_into run_into bumper|
|4.||[ noun ] the sound of knocking (as on a door or in an engine or bearing)|
"the knocking grew louder"
|Related terms:||sound ping tap|
|5.||[ noun ] negative criticism|
|Related terms:||criticism ridicule|
|6.||[ verb ] 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"
|7.||[ verb ] make light, repeated taps on a surface|
|Synonyms:||rap pink tap|
"he was tapping his fingers on the table impatiently"
|Related terms:||go pat tapping tap|
|8.||[ noun ] a vigorous blow|
|Synonyms:||bang smash belt bash|
"the sudden knock floored him" "he took a bash right in his face" "he got a bang on the head"
|Related terms:||bump slam smash sock belt|
|9.||[ noun ] a bad experience|
"the school of hard knocks"
|10.||[ verb ] find fault with; express criticism of; point out real or perceived flaws|
|Synonyms:||criticize criticise pick_apart|
"The paper criticized the new movie" "Don't knock the food--it's free"
|Related terms:||praise comment denounce blame attack rebuke reprimand deplore belabor disparage come_down admonish nitpick reprehend savage criticism critic critic judge|
|11.||[ noun ] the act of hitting vigorously|
|Synonyms:||rap whack whang belt|
"he gave the table a whack"
|Related terms:||blow rap whang|