What Does “Knock about sth” Mean?
“Knock about sth” means to spend time doing something in a relaxed or informal way, often involving some rough handling or casual activity.
Introduction
The phrase “knock about sth” is a common phrasal verb in English that can have several related meanings. It often refers to spending time with an object or idea in a casual or rough manner. For example, it can mean to handle something roughly or to spend time discussing or experimenting with a topic. Understanding the “knock about sth meaning” helps learners use it naturally in conversations. This phrase is informal and is frequently used in spoken English to describe casual activities or rough handling. Knowing how to use it correctly will improve your fluency and help you sound more like a native speaker.
Quick Info Box
- Phrasal verb: knock about something
- Type: transitive and intransitive
- Level: B2 (Upper-Intermediate)
- Short meaning: To handle roughly or spend time casually with something
Structure (Grammar Rules)
“Knock about sth” is usually inseparable when it means to spend time casually with something. However, when it refers to handling something roughly, it can be separable.
- Inseparable: knock about something (e.g., “They knocked about the idea for hours.”)
- Separable: knock something about (e.g., “The kids knocked the toys about.”)
Patterns:
- Subject + knock + about + object (inseparable)
- Subject + knock + object + about (separable)
How to Use “Knock about sth”?
Use “knock about sth” when you want to describe spending time with something in a casual or rough way. It can refer to objects, ideas, or even people. In informal settings, it suggests a relaxed or rough treatment rather than careful or formal handling.
Examples
Here are some natural sentences using “knock about sth in a sentence”:
- We knocked about the new design ideas before deciding on the final version.
- The children love to knock their toys about in the playroom.
- He’s been knocking about with that old guitar for years.
- They knocked about the plan until they found a better solution.
- Don’t knock your phone about; it’s fragile.
Common Mistakes
People often confuse the position of “about” or use it incorrectly with the wrong object.
- Incorrect: “She knocked about the ball the whole afternoon.”
- Correct: “She knocked the ball about the whole afternoon.”
- Incorrect: “We knocked about the project for hours.”
- Correct: “We knocked about the project for hours.”
Remember, when talking about rough handling, place the object between “knock” and “about.” When discussing ideas or time spent, “knock about” is followed directly by the object.
Differences / Synonyms
“Knock about” is similar to “mess about,” “knock around,” and “tinker with,” but there are subtle differences:
- Mess about: More informal and often implies wasting time or playing.
- Knock around: Can mean to spend time with people or be in a place casually.
- Tinker with: Implies trying to fix or improve something, usually carefully.
“Knock about” focuses more on rough handling or casual time spent, not necessarily fixing or just wasting time.
Common Collocations
Here are some common objects and ideas used with “knock about”:
- Toys – (handle roughly)
- Ideas – (discuss casually)
- Plans – (consider or discuss)
- Tools – (handle roughly or use informally)
- Objects – (move or handle roughly)
Related Phrasal Verbs
Here are related phrasal verbs of knock about sth:
Real-life Dialogue
Here is a short conversation using “knock about sth”:
Anna: Have you knocked about the new project ideas yet?
Ben: Yes, we spent the afternoon knocking about a few concepts before choosing one.
Anna: That sounds productive. Did you handle the prototypes carefully?
Ben: Not really, we knocked them about a bit to test durability.
Practice
Try filling in the blanks with the correct form of “knock about”:
- They ________ the old furniture until it broke.
- We spent hours ________ different solutions to the problem.
- Don’t ________ your phone ________; it’s expensive.
- She likes to ________ ideas before making a decision.
FAQs
- What does “knock about sth” mean? It means to handle something roughly or spend time casually with it.
- Is “knock about” formal? No, it is informal and commonly used in spoken English.
- Can “knock about” be separated? Yes, when referring to rough handling of objects, it can be separable.
- What are some synonyms for “knock about”? Mess about, knock around, tinker with.
- Can “knock about” refer to people? Sometimes, it can mean spending time with people informally.

