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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
uh oh
Grammar usage guide and real-world examplesUSAGE SUMMARY
"Uh oh" is a correct and acceptable usage in written English.
It is usually used to convey surprise, shock, or to express alarm or concern over a situation. For example, "I checked my bank balance and saw that I was overdrawn. Uh oh, I must have forgotten to pay that bill last month!".
✓ Grammatically correct
News & Media
Wiki
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
29 human-written examples
Uh Oh Bango.
News & Media
Uh oh, I thought.
News & Media
Uh oh, spaghettios!
News & Media
Uh oh, right?
News & Media
Uh oh, AT&T.
News & Media
Uh oh, Silver.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
31 human-written examples
Uh-oh – problems.
News & Media
— Uh-oh, an alert.
News & Media
janah (@mynameisjanah) uh-oh.
News & Media
Uh-oh: Russian vine.
News & Media
On page 100 — Uh-oh.
News & Media
Expert writing Tips
Best practice
Use "uh oh" sparingly for emphasis and to create a sense of immediacy or mild alarm. Overuse can diminish its impact.
Common error
Avoid using "uh oh" in formal or professional writing where a more serious or direct expression of concern is appropriate. It is generally suitable for informal contexts.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "uh oh" functions primarily as an interjection, expressing a sudden realization, concern, or mild alarm. Ludwig AI confirms its correct usage in a variety of contexts, serving as a spontaneous reaction to an unexpected event or discovery.
Frequent in
News & Media
43%
Wiki
5%
Formal & Business
2%
Less common in
Science
1%
Encyclopedias
0%
Academia
0%
Ludwig's WRAP-UP
The interjection "uh oh" is a common and grammatically correct expression used to convey a sudden realization, concern, or mild alarm. As confirmed by Ludwig AI, it's prevalent in informal contexts, particularly in news and media. While acceptable in casual settings, it's best to avoid using "uh oh" in formal or professional communications, opting instead for more serious or direct expressions of concern. When used appropriately, "uh oh" can effectively signal an immediate reaction to a perceived problem or undesirable situation. Consider alternatives like "oh no" or "oops" depending on the level of concern you want to express.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
oh no
Indicates a stronger sense of alarm or impending trouble.
oops
A milder, more playful expression of a mistake or minor problem.
oh dear
Expresses concern or mild dismay, often in a more formal or British English context.
that's not good
A more explicit statement that something is wrong or problematic.
we're in trouble
Indicates a serious predicament or dangerous situation.
here we go
Implies resignation or anticipation of something unpleasant or difficult.
something's not right
Suggests that something is amiss or out of place.
trouble ahead
Warns of potential problems or difficulties in the near future.
this could be a problem
Identifies a situation as potentially difficult or requiring attention.
i have a bad feeling about this
Expresses a premonition of something negative occurring.
FAQs
How can I use "uh oh" in a sentence?
"Uh oh" is typically used as an interjection at the beginning of a sentence or as a standalone expression to indicate a problem, surprise, or realization of a mistake. For example, "Uh oh, I think I left the stove on!"
What's a more formal alternative to "uh oh"?
In more formal contexts, consider alternatives like /s/"oh+no", /s/"I+foresee+a+problem", or /s/"this+is+concerning" to express the same sentiment with greater seriousness.
Is "uh oh" appropriate for professional emails?
Generally, no. "Uh oh" is too informal for professional emails. Opt for more professional phrases to express concern, such as /s/"I+have+some+concerns" or /s/"this+requires+our+attention".
What's the difference between "uh oh" and "oops"?
"Uh oh" typically implies a realization of a problem or potential trouble, while /s/"oops" suggests a minor, often unintentional, mistake.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested