Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
fool around
Grammar usage guide and real-world examplesUSAGE SUMMARY
'fool around' is a correct and usable phrase in written English.
It is used as an idiom to mean to waste time or behave in a silly or playful manner. Example sentence: The kids were fooling around in the backyard all afternoon.
✓ Grammatically correct
News & Media
Academia
Wiki
Alternative expressions(11)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
59 human-written examples
"You can't fool around".
News & Media
"They don't fool around.
News & Media
"He didn't fool around anymore".
News & Media
But why fool around?
News & Media
Elena Kagan doesn't fool around.
News & Media
The bureau doesn't fool around".
News & Media
Southern Baptists don't fool around.
News & Media
I'm not going to fool around anymore.
News & Media
"You don't fool around with concussions.
News & Media
Tony Gilroy likes to fool around.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
These people shouldn't fool around in the stock market.
News & Media
Expert writing Tips
Best practice
Use "fool around" to describe lighthearted or unproductive activities, especially when implying a lack of serious intent. Ensure the context aligns with the informal and often playful connotation of the phrase.
Common error
While "fool around" is a common idiom, it's generally too informal for professional or academic writing. Opt for more formal alternatives like "engage in unproductive activities" or "act without seriousness" in such settings.
Source & Trust
81%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrasal verb "fool around" primarily functions as an intransitive verb, describing an action performed by the subject. It indicates engaging in frivolous behavior, wasting time, or, in some contexts, engaging in casual sexual acts. Ludwig AI confirms its grammatical correctness.
Frequent in
News & Media
45%
Wiki
23%
Academia
16%
Less common in
Science
16%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrasal verb "fool around" is a common and generally accepted idiom that typically denotes engaging in frivolous or unproductive activities. Ludwig AI validates its correctness for written English. It often implies a lack of seriousness or a playful attitude. While widely used in informal contexts, particularly in News & Media and casual conversation, it is generally unsuitable for formal writing, where more precise and professional alternatives are preferred. Remember to consider your audience and the context when deciding whether to use "fool around" or a more formal equivalent.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
mess around
Emphasizes a lack of seriousness or purpose, often involving playful or disruptive behavior.
play around
Indicates casual engagement or experimentation, without a strong commitment or serious intention.
monkey around
Implies silly or mischievous behavior, similar to "fool around" but with a slightly stronger connotation of playful misbehavior.
horse around
Suggests boisterous and energetic play, often involving physical activity or roughhousing.
lark about
Conveys a lighthearted and carefree attitude, with a focus on enjoying oneself in a playful manner.
behave frivolously
Emphasizes the lack of seriousness or responsibility in one's actions.
fritter away time
Highlights the wasteful aspect of spending time on trivial or unproductive activities.
dawdle
Focuses on slow and aimless movement or activity, often implying a lack of urgency or purpose.
dally
Similar to dawdle, but can also imply flirtatious or romantic involvement without serious intent.
trifle
Suggests handling something without due seriousness or respect, often with negative consequences.
FAQs
How can I use "fool around" in a sentence?
You can use "fool around" to describe someone engaging in silly behavior or wasting time, for example: "The students were "fooling around" instead of studying."
What does it mean to "fool around" with someone?
When you "fool around" with someone, it can mean engaging in casual or flirtatious behavior, or it can mean treating them disrespectfully. The specific meaning depends on the context.
What can I say instead of "fool around"?
You can use alternatives like "mess around", "play around", or "waste time" depending on the specific context.
Is "fool around" appropriate for formal writing?
No, "fool around" is generally considered too informal for academic or professional writing. It's better to use more formal alternatives like "engage in unproductive activities" or "act without seriousness".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.6/5
Expert rating
Real-world application tested