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 obstacle
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "unanticipated obstacle" is correct and usable in written English.
It can be used to describe an unexpected challenge or difficulty that arises during a process or situation. Example: "We encountered an unanticipated obstacle that delayed the project's completion."
✓ Grammatically correct
News & Media
Science
Formal & Business
Academia
Alternative expressions(3)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
An AUV with such a system can maneuver around unanticipated obstacles that may be proud of the ocean floor.
Science
Under his stewardship, enrollment grew to almost 525 students through ninth grade — a process he said was difficult and rife with unanticipated obstacles.
News & Media
Money and attention have not been as forthcoming for Afghanistan as Mr. Bush promised 18 months ago, and in Iraq an early plan for creating an Iraqi transitional authority has been shelved because of unanticipated obstacles.
News & Media
It's good to have self-confidence, however, the real world can present unanticipated obstacles to success and it's important to be prepared for various outcomes.
News & Media
However, as experience has taught us so many times, the gap from a successful mouse experiment to effective, beneficial application of exciting laboratory concepts to helping cancer patients at the bedside is in fact a long and treacherous journey, filled with unforeseen and unanticipated obstacles.
News & Media
The unanticipated obstacles I had faced my last year in D.C. - the out-of-the-blue broken heart, amongst others - were life's way of revealing my real path.
News & Media
They need to be able to articulate a mobilizing vision and to ensure a degree of coherence in what can be a tumultuous process, subject to political shocks and unanticipated obstacles.
Formal & Business
The reported effectiveness of the program is all the more remarkable given the significant hurdles that needed to be overcome as well as the unanticipated obstacles that continue to be negotiated.
Science
This requires maturity and openness to criticism, and responding with patience and perseverance to unanticipated situations and obstacles.
Academia
What had seemed likely to be an incremental summit, bogged down by the seemingly endless dispute over the future of NATO, ended up offering the promise of unanticipated progress in a number of areasalthough many obstacles remain before all that promise is realized.
News & Media
To control for possible unanticipated effects of LNA oligonucleotides on the ratio of AUG1 AUG2 codon use, we used a different obstacle to mask AUG1 in a synthetic mRNA.
Science
Expert writing Tips
Best practice
Follow "unanticipated obstacle" with an explanation of how it was addressed or what impact it had. This provides context and closure for the reader.
Common error
Avoid using "unanticipated obstacle" when a challenge was actually foreseeable or predictable. This weakens the impact of the phrase and may confuse readers.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "unanticipated obstacle" functions as a noun phrase, typically serving as the object of a verb or preposition. As Ludwig AI confirms, this phrase is correct and usable in English. It describes an unexpected barrier or challenge that arises.
Frequent in
News & Media
40%
Science
20%
Academia
20%
Less common in
Formal & Business
13%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "unanticipated obstacle" effectively conveys the idea of an unexpected challenge or difficulty, as confirmed by Ludwig AI. While grammatically correct and usable, its frequency is uncommon. It is primarily used in News & Media, Science and Academic contexts. When employing this phrase, it's crucial to ensure the context highlights that the obstacle was genuinely unforeseen. For alternatives, consider phrases like "unexpected hurdle" or "surprise setback", which offer slightly different nuances. Overall, "unanticipated obstacle" is a valuable term for precisely describing unexpected challenges in various settings.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
unexpected hurdle
Replaces "obstacle" with "hurdle" to suggest a barrier that needs to be overcome unexpectedly.
unforeseen impediment
Substitutes both "unanticipated" and "obstacle" to highlight the unforeseen nature of the hindrance.
surprise setback
Emphasizes the unexpected and negative impact of the obstacle.
unpredicted difficulty
Focuses on the lack of prediction surrounding the challenging situation.
unforeseen complication
Highlights the complex and unexpected nature of the obstacle.
sudden snag
Suggests a small, abrupt problem that arises without warning.
unexpected challenge
Uses "challenge" as a more neutral alternative to "obstacle", while still conveying difficulty.
chance hindrance
Indicates that the obstacle arose by chance and is impeding progress.
uncalculated problem
Stresses the lack of planning or foresight in addressing the issue.
surprise impediment
Simply inverts the order for a slightly different emphasis while maintaining the core meaning.
FAQs
How can I effectively use "unanticipated obstacle" in a sentence?
Use "unanticipated obstacle" to describe a sudden and unforeseen challenge that disrupts a plan or process. For example, "The project faced an "unanticipated obstacle" when the key supplier went out of business."
What are some alternatives to "unanticipated obstacle"?
You can use alternatives such as "unexpected hurdle", "unforeseen impediment", or "surprise setback" depending on the specific context and nuance you want to convey.
Is "unanticipated obstacle" formal or informal?
"Unanticipated obstacle" is suitable for both formal and informal contexts, but it's often found in professional, academic, and journalistic writing due to its precise and descriptive nature. Consider the tone of your writing as a whole when using the phrase. You can replace with "unexpected problem" for informal situations.
What makes an obstacle "unanticipated"?
An obstacle is considered "unanticipated" if it was not reasonably foreseeable or expected based on the available information and planning. It implies a degree of surprise and a need for immediate adaptation.
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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested