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
problems crop up
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "problems crop up" is correct and can be used in written English.
You can use this phrase when you want to describe unexpected issues or difficulties that arise. It is often used in a casual or informal tone. Example: "Despite our careful planning, problems inevitably crop up during the event." "The company is facing financial struggles as problems continue to crop up in their production process."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
31 human-written examples
But problems crop up right away.
News & Media
But when problems crop up, embarrassment ensues.
News & Media
Life is tiresome, humiliating, smelly, unhygienic.Similar problems crop up everywhere.
News & Media
But problems crop up and almost certainly keep being created.
News & Media
Construction problems crop up everywhere and costs continue soaring.
News & Media
Unfortunately, collision problems crop up too often in the heat of the battle.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
29 human-written examples
Soon, problems cropped up.
News & Media
But problems cropped up.
News & Media
Nevertheless, problems cropped up.
News & Media
Other problems cropped up.
News & Media
Discipline problems cropped up on the college front at — surprise!
News & Media
Expert writing Tips
Best practice
Use "problems crop up" to convey that issues arise unexpectedly or intermittently. It's suitable for describing situations where difficulties appear despite planning or preventative measures.
Common error
Avoid using "problems crop up" in highly formal or technical writing. Opt for more precise and professional alternatives like "issues arise" or "difficulties emerge" to maintain a serious tone.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "problems crop up" functions as a verbal phrase, typically used as the predicate of a sentence. It describes the action of problems appearing or arising, often unexpectedly. Ludwig confirms that this phrase is indeed correct and commonly used.
Frequent in
News & Media
50%
Science
30%
Formal & Business
20%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "problems crop up" is a grammatically sound and commonly used expression to indicate the unexpected emergence of difficulties. Ludwig confirms its correctness and provides multiple examples across diverse contexts. While it's suitable for general use, more formal alternatives like "issues arise" or "difficulties emerge" may be preferable in academic or professional writing. The phrase is most frequently found in news and media sources. While the frequency is not very high, it has a consistent and reliable usage throughout authoritative sources and contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
issues arise
Focuses on the emergence of issues, similar to problems appearing.
difficulties emerge
Highlights the development of difficult situations.
challenges surface
Emphasizes the uncovering or revelation of challenges.
complications develop
Indicates the growth of intricate or complex problems.
snags occur
Refers to minor, unexpected obstacles that arise.
hitches arise
Focuses on sudden interruptions or disturbances.
obstacles emerge
Stresses the appearance of barriers or impediments.
troubles surface
Highlights the revealing of existing troubles or concerns.
difficulties present themselves
Similar to the main query, it emphasizes that problems are showing up.
setbacks happen
Emphasizes unexpected event that delays progress or reverses some of the progress.
FAQs
How can I use "problems crop up" in a sentence?
You can use "problems crop up" to indicate that issues or difficulties arise unexpectedly. For example, "Despite our best efforts, "problems crop up" during complex projects".
What are some alternatives to "problems crop up"?
Alternatives to "problems crop up" include "issues arise", "difficulties emerge", or "challenges surface". The best choice depends on the specific context.
Is it appropriate to use "problems crop up" in academic writing?
While grammatically correct, "problems crop up" may be considered too informal for strict academic writing. Consider using more formal alternatives such as "issues arise" or "complications develop".
What's the difference between "problems crop up" and "problems arise"?
Both "problems crop up" and "problems arise" indicate the appearance of difficulties, but "problems crop up" often implies that the problems appear unexpectedly or intermittently. "Problems arise" is a more general statement. For example: "Difficulties present themselves" in this project
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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested