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
worst case
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'worst case' is correct and usable in written English.
You can use 'worst case' when referring to the possibility of an undesirable outcome. For example: "If there is a power outage, the worst case scenario would be that the store would have to close for the day."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
most disadvantageous
least favorable
least appropriate
at worst
worst case scenario
largest favorable
most undesirable
least excellent
nightmare scenario
less favorable
worst possible outcome
unfavorable outcome
worst-case scenario
least propitious
least auspicious
the pits
worst hypothesis
least positive
least beneficial
least advantageous
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
28 human-written examples
Worst case?
News & Media
That's the worst case".
News & Media
Worst case: Civil war.
News & Media
Worst case is the military is involved.
News & Media
They are preparing for the worst case.
News & Media
WORST CASE They believe the hype.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
32 human-written examples
What's the worst-case scenario?
News & Media
It spun worst-case scenarios.
News & Media
Worst-case scenario: Sandusky is charged.
News & Media
"We're not talking worst-case scenario.
News & Media
"Worst-case scenario, they arrest people.
News & Media
Expert writing Tips
Best practice
When discussing potential risks or planning for contingencies, use "worst case" to clearly define the most unfavorable outcome. This helps in preparing appropriate mitigation strategies.
Common error
Avoid using "worst case" and "worst-case scenario" interchangeably in formal writing. While they are similar, "worst-case scenario" specifically refers to a hypothetical situation, whereas "worst case" can refer to an actual event or a hypothetical one.
Source & Trust
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "worst case" primarily functions as an adjectival phrase modifying an implied noun such as "situation" or "outcome". It describes the most undesirable state or result, as demonstrated by Ludwig AI, which validates its correct and widespread usage.
Frequent in
News & Media
50%
Science
33%
Wiki
11%
Less common in
Formal & Business
3%
Encyclopedias
1%
Reference
2%
Ludwig's WRAP-UP
In summary, the phrase "worst case" is a common and grammatically sound expression used to describe the most unfavorable outcome of a situation. Ludwig AI confirms its validity and broad usage across various contexts. While often interchangeable with "worst case scenario", it's crucial to understand the subtle differences in their application. By considering best practices and avoiding common errors, you can effectively use "worst case" to enhance clarity and precision in your writing and communication. Top authoritative sources using the phrase include The New York Times, Forbes and BBC.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
worst-case scenario
Replaces "case" with "scenario", emphasizing the hypothetical nature of the situation.
worst possible outcome
Adds "possible" for emphasis, highlighting that it's the most severe result that could happen.
nightmare scenario
Emphasizes the extremely unpleasant and frightening nature of the potential outcome.
dire outcome
Uses "dire outcome" to suggest a very negative result, focusing on the consequence.
the worst that can happen
Focuses on the limit of negativity or adversity that one might encounter.
unfavorable outcome
Emphasizes the negative aspect of the result.
the ultimate setback
Highlights the idea of a significant and damaging reversal or failure.
absolute bottom
Indicates the lowest or most depressed level that something can reach.
the pits
An informal expression meaning the worst possible situation.
the downside
A more general term referring to the negative aspects or potential problems of a situation.
FAQs
How can I use "worst case" in a sentence?
The phrase "worst case" is used to describe the most unfavorable outcome that could occur in a given situation. For example, "The company is preparing for the "worst-case scenario", which involves a significant drop in sales."
What is a more formal alternative to "worst case"?
In formal contexts, you might replace "worst case" with alternatives like "most unfavorable outcome", "most adverse situation", or "least desirable result".
Is "worst case scenario" the same as "worst case"?
While very similar, "worst case scenario" typically refers to a hypothetical situation that represents the most negative potential outcome. "Worst case" can refer to both actual and hypothetical situations.
Which is correct, "in the worst case" or "at worst"?
Both phrases are correct, but they have slightly different nuances. "In the worst case" is used to describe a specific outcome within a range of possibilities, while "at worst" implies the maximum degree of negativity or severity that something can reach.
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
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested