1. sharp sounds made by hitting something
Usage: plural
2. harsh criticisms
Usage: informal; plural

1. strikes or hits something with force
Usage: third person singular present
2. makes a sharp sound by hitting a door or surface to get attention
Usage: third person singular present
3. criticizes harshly
Usage: informal; third person singular present

Examples

• She knocks on the door before entering.
• The wind knocks the branches against the window.
• He always knocks my cooking, but he eats it anyway.
• We heard three loud knocks at the front door.
• The movie received several knocks from critics.
• The hammer knocks the nail into the wood.
• Despite the knocks against the proposal, it passed.