- Take a break or stop working. 2. Dispose of or produce easily or hastily. 3. Get rid of or reduce something. 4. Kill or murder. 5. Copy or imitate without permission. 6. Hold up or rob.
Examples:
- A writer of detective novels, he knocks off a book a year.
Origin: Mid-1600s for sense 1; early 1800s for senses 2 and 3; early 1900s for senses 4 and 6; late 1800s for sense 5
Synonyms: knock it off