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
run riot
Grammar usage guide and real-world examplesUSAGE SUMMARY
"run riot" is correct and usable in written English.
It is usually used to mean that someone or something is doing something uncontrolled or excessively, often in a negative way. For example: "The kids had run riot while their parents were away."
✓ Grammatically correct
News & Media
Alternative expressions(8)
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
Let tense run riot.
News & Media
But your children can run riot.
News & Media
Artistic imagination has often run riot.
News & Media
Then let your imagination run riot.
News & Media
If it did, business on the Web could run riot.
News & Media
I have one of those imaginations that run riot.
News & Media
Am prepared to run riot exercising my druthers.
News & Media
It is like watching somebody's repressed unconscious run riot.
News & Media
There, Hoodless has let her imagination run riot.
News & Media
Deep emotions begin to resurface and hormones run riot.
News & Media
It's easy to dismiss the fuss as political correctness in America once again run riot.
News & Media
Expert writing Tips
Best practice
Use "run riot" to vividly describe situations where there is a lack of control, whether it's about people, emotions, or even abstract concepts like imagination.
Common error
Avoid using "run riot" to describe simple disagreements or minor inconveniences. This phrase is most effective when conveying a sense of significant disruption or unrestrained behavior.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "run riot" primarily functions as an idiomatic verb phrase. It describes a situation where something or someone is behaving in an uncontrolled and often destructive manner. Ludwig AI confirms its correct and usable status in written English.
Frequent in
News & Media
100%
Less common in
Formal & Business
0%
Science
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the idiomatic verb phrase "run riot" describes unrestrained and often disruptive behavior. Ludwig AI confirms it is grammatically correct and appropriate for use in written English, particularly in news and media contexts. While versatile, it's most effective when depicting significant disorder. Consider alternatives like "get out of hand" or "go wild" for varied expression. The phrase conveys a sense of something being out of control, whether referring to children, emotions, or abstract concepts. The numerous examples provided by Ludwig showcase its widespread use and diverse applications.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
be unrestrained
This highlights the lack of control or limitation in behavior.
get out of hand
This phrase means to become unmanageable or uncontrollable.
create chaos
This alternative emphasizes the disruptive and disordered outcome of uncontrolled behavior.
become unruly
This phrase suggests a lapse into disorder and disobedience.
go wild
This alternative implies unrestrained behavior, often in a celebratory or enthusiastic manner.
get carried away
Suggests losing control due to excitement or enthusiasm.
act up
This suggests misbehavior or unruly conduct, particularly by children or machines.
break loose
Implies escaping control or confinement and acting freely.
go berserk
Implies a state of violent or destructive frenzy.
behave badly
A general term for acting inappropriately or unacceptably.
FAQs
How can I use "run riot" in a sentence?
What does it mean when someone says emotions "run riot"?
When emotions "run riot", it means they are "unrestrained" and out of control, often leading to irrational behavior or decisions.
What can I say instead of "run riot"?
You can use alternatives like "get out of hand", "go wild", or "create chaos" depending on the context.
Is it appropriate to use "run riot" in formal writing?
While "run riot" is widely understood, it might be more suitable for informal or journalistic contexts. In formal writing, consider more precise terms like "become unruly" or "be unrestrained".
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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested