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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
unless something unexpected happens
Grammar usage guide and real-world examplesUSAGE SUMMARY
"unless something unexpected happens" is a correctly constructed clause that is widely used in written English.
You can use it when speculating about a potential event or situation that has not occurred, for example: "We should be able to finish the project on time, unless something unexpected happens."
✓ Grammatically correct
News & Media
Formal & Business
Science
Wiki
Alternative expressions(20)
barring unforeseen circumstances
absent any surprises
if nothing unexpected occurs
barring any unexpected
barring any last-minute
barring any significant
barring any last
barring any political
barring any legislative
barring any terrorist
barring any red
barring any unknown
unless something unexpected occurs
contingent on no unforeseen problems
barring any further
barring any humiliating
barring any unforeseen
absent any unforeseen circumstances
assuming no unforeseen events
except in the case of unforeseen issues
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
15 human-written examples
Unless something unexpected happens, the Big East will have a record 11 teams in the tournament.
News & Media
Unless something unexpected happens in the next few weeks, it has indeed come to this.
News & Media
Actually, they're probably already in there... unless something unexpected happens today.
News & Media
"Unless something unexpected happens, I will not be voting for the presidential nominee of either major party".
News & Media
The bottom line this year is this: Unless something unexpected happens, Kerry is likely to sweep the board".
News & Media
Unless something unexpected happens, the biggest new show to hit Broadway this year will be James Clavell's "Shogun," which begins performances at the Marquis Theater on Nov. 1.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
45 human-written examples
And then something unexpected happens.
News & Media
But then something unexpected happens: Pol Pot relaxes.
News & Media
At this point, something unexpected happens.
News & Media
Halfway through dinner, though, something unexpected happens.
News & Media
But if something unexpected happens, you are in serious trouble.
News & Media
Expert writing Tips
Best practice
When using this phrase, ensure that the unexpected event would genuinely alter the expected result.
Common error
Avoid using "unless something unexpected happens" as a filler phrase; ensure it adds meaningful nuance to your statement. Too frequent use can dilute its impact.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "unless something unexpected happens" functions as a conditional conjunction, introducing a condition that, if met, would alter the outcome of the main clause. Ludwig's examples show its use in various contexts, from political predictions to weather forecasts, all suggesting a deviation from the anticipated course.
Frequent in
News & Media
64%
Formal & Business
16%
Wiki
8%
Less common in
Science
4%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "unless something unexpected happens" is a common and grammatically correct conditional conjunction used to introduce uncertainty into a statement. Ludwig shows the phrase appearing frequently in news and media, formal business, and less often in scientific contexts. The phrase serves to express contingency. To ensure clarity in writing, avoid overuse and always use the phrase with the aim of meaningfully clarifying a statement. Consider barring unforeseen circumstances for more formal settings.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
barring unforeseen circumstances
Uses more formal language to convey a similar meaning, emphasizing the absence of anticipated issues.
absent any surprises
Highlights the lack of expected positive or negative deviations from the present situation.
assuming all goes to plan
Highlights an underlying project and a dependence on successful development according to schedule.
pending any unforeseen events
Formal and generic. It also means waiting for any possible event.
if nothing goes awry
Focuses on preventing problems and using more colloquial language.
assuming no setbacks occur
Specifies the possible occurence of setbacks and the absence of them.
contingent on no curveballs
Emphasizes the avoidance of sudden, unexpected problems.
provided there are no glitches
Highlights a scenario that includes software or tech that needs to run smoothly.
should nothing disrupt the course
Formal and highlights the avoidance of a disruption.
unless fate intervenes
Highlights a fatalistic outcome that could change at any moment.
FAQs
How can I rephrase "unless something unexpected happens" to sound more formal?
You could use more formal alternatives such as "barring unforeseen circumstances" or "pending any unforeseen events".
Is "unless something unexpected happens" suitable for academic writing?
While grammatically correct, it's generally better to use more precise and formal language in academic contexts. For example, consider "absent any surprises" if you mean a lack of unexpected data affecting results.
What does "unless something unexpected happens" imply?
It implies that the stated outcome is likely, but there's a possibility that an unforeseen event could change the situation.
Which is correct: "unless something unexpected happens" or "if something unexpected doesn't happen"?
Both are grammatically correct, but "unless something unexpected happens" is more concise and idiomatic. The alternative, "if something unexpected doesn't happen", is less direct but conveys a similar meaning.
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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