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
unanticipated complication
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "unanticipated complication" is correct and usable in written English.
It can be used when referring to an unexpected issue or problem that arises in a situation, often in contexts like medical, project management, or problem-solving scenarios. Example: "During the surgery, the team encountered an unanticipated complication that required immediate attention."
✓ Grammatically correct
Science
News & Media
Alternative expressions(4)
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
4 human-written examples
IN standard journalistic tradition, Ammar Sankari does not intend to let an unanticipated complication silence him.
News & Media
But the increasing circulation of bogus money has proved an unanticipated complication, with the Colombians quickly learning how to reproduce even the new design of American bills, which was first implemented in 1996 largely to thwart counterfeiting.
News & Media
For example, a patient may choose to have surgery, feeling that the benefits outweigh the harms, and yet may suffer a severe, unanticipated complication during the procedure.
In February 2013, Centers for Disease Control and Prevention CDCC) published a notification in which AKI was identified as an unanticipated complication of the SC abuse [ 4].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Unanticipated complications and benefits are both common.
News & Media
Toppling Saddam Hussein opened a Pandora's box of unanticipated complications.
News & Media
However, as with any novel technology unanticipated complications will develop.
Science
This study seeks to determine whether prosthetic variety has led to better outcomes, has led to similar outcomes facilitating joint reconstruction, or created any unanticipated complications.
"Because of unanticipated complications this year, we ended up continuing with the preparer we had used before," Mr. Turner added, but many of the group's 2,300 members did abandon their preparers or paper and pencil this year in favor of TurboTax.
News & Media
Imaging plays an important role in the emergent setting, rapidly differentiating the most commonly encountered complications from less common, unanticipated complications.
Science
Most surgeons have a learning curve with any new operation, and, in general, the more radical the departure from established methods, the greater the increased risk of unanticipated complications.
Expert writing Tips
Best practice
Use "unanticipated complication" to precisely describe a problem that was not predicted or expected, especially in formal or technical contexts where accuracy is crucial.
Common error
While accurate, "unanticipated complication" can sound overly formal in casual conversation. Opt for simpler phrases like "unexpected problem" or "surprise issue" in less formal settings.
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "unanticipated complication" functions primarily as a noun phrase, often serving as the object of a sentence or clause. It describes a specific type of problem that arises unexpectedly. Ludwig AI shows the phrase used in various contexts, consistently referring to unforeseen difficulties.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "unanticipated complication" is a noun phrase used to describe a problem or issue that was not expected. Ludwig AI indicates that it is grammatically correct and most commonly found in scientific and news media contexts. While accurate, the phrase leans toward the formal side, making it suitable for technical and professional discussions. For more casual settings, alternatives like "unexpected problem" might be a better fit. It's essential to use it accurately, especially in scenarios where clarity and precision are paramount.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
unexpected problem
Replaces "unanticipated" with "unexpected", focusing on the surprise aspect of the issue.
unforeseen issue
Similar to "unexpected problem" but uses "unforeseen" to emphasize the lack of prior knowledge.
surprise difficulty
Highlights the element of surprise associated with the difficulty.
unpredicted setback
Focuses on the negative impact of the unexpected event as a "setback".
unexpected glitch
Implies a minor, often technical, problem that was not anticipated.
unforeseen obstacle
Emphasizes the hindering aspect of the complication as an "obstacle".
surprise snag
Uses the informal term "snag" to indicate a small, unexpected problem.
unpredicted hurdle
Similar to "unforeseen obstacle", framing the complication as a challenge to overcome.
unexpected consequence
Highlights that the complication is a result or effect of something, rather than a problem in itself.
surprise twist
Uses "twist" to suggest an unexpected turn of events that complicates the situation.
FAQs
How to use "unanticipated complication" in a sentence?
Use "unanticipated complication" to refer to a problem or issue that was not expected. For example, "The surgery experienced an "unanticipated complication" that prolonged the procedure."
What can I say instead of "unanticipated complication"?
You can use alternatives like "unexpected problem", "unforeseen issue", or "surprise difficulty" depending on the context.
Which is correct, "unanticipated complication" or "unforeseen complication"?
Both "unanticipated complication" and "unforeseen complication" are correct. The choice depends on stylistic preference, as they convey essentially the same meaning of an unexpected issue.
What's the difference between "unanticipated complication" and "unexpected challenge"?
"Unanticipated complication" specifically suggests a problem that makes a situation more difficult, while "unexpected challenge" refers to something that tests someone's abilities and requires effort to overcome. The former is generally negative, whereas the latter can have positive connotations.
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
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested