knock Synonyms
Another word for knock
• verb (Context 1)
To strike a surface noisily, especially a door with one's knuckles, in order to attract attention or gain admittance.
"Please rap before entering the supervisor's office."
• noun (Context 2)
A sudden, sharp sound caused by striking a hard surface, especially a door, to attract attention.
"She heard a loud rap at the front door just as she was sitting down to dinner."
• verb (Context 3)
To collide with or strike someone or something, causing them to move, fall, or be displaced.
"He accidentally knocked the glass off the edge of the kitchen counter."
• noun (Context 4)
A hard physical blow, collision, or figuratively a setback or misfortune.
"The team's confidence took a serious blow after losing three consecutive matches."
• verb (Context 5)
To criticize, find fault with, or speak disparagingly about something (informal).
"Don't criticize the new scheduling system until you have tried using it for a week."
• noun (Context 6)
A sharp, metallic rattling or pinging sound in an internal combustion engine caused by uneven or premature fuel ignition.
"Using higher-octane fuel helped eliminate the persistent engine ping during acceleration."
• verb (Context 7)
To make a rattling, thumping, or pinging noise due to a mechanical defect or uneven fuel combustion (of an engine or pipes).
"The old radiator began to ping loudly as the steam pressure built up."
Opposites of knock
The opposite of knock shifts depending on context. Common opposites include: