Noun
-
the act of hitting vigorously
"he gave the table a whack"
-
a bad experience
"the school of hard knocks"
-
a vigorous blow
"the sudden knock floored him"
"he took a bash right in his face"
"he got a bang on the head"
-
negative criticism
-
the sound of knocking (as on a door or in an engine or bearing)
"the knocking grew louder"
Verb
-
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"
- pick apart -
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"
-
make light, repeated taps on a surface
"he was tapping his fingers on the table impatiently"
-
knock against with force or violence
"My car bumped into the tree"
-
rap with the knuckles
"knock on the door"
-
deliver a sharp blow or push :"He knocked the glass clear across the room"
- strike hard