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
a world where
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'a world where' is correct and usable in written English.
You can use it to introduce a hypothetical situation or to describe an ideal situation. For example: "I dream of a world where everyone is treated equally."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(20)
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
60 human-written examples
A world where there are no differences.
News & Media
Imagine a world where buildings don't exist.
News & Media
We'll have a world where Darwin's working".
News & Media
A world where consultants wore bow-ties.
News & Media
In a world where life is cheap..
News & Media
She lived in a world where they were never applied.
News & Media
Imagine living in a world where that was true.
News & Media
We can create a world where poverty doesn't exist.
News & Media
A world where women see nothing strange about doing this.
News & Media
It's a world where men are kings, sure.
News & Media
(Imagine a world where no one contributed to sewer repair).
News & Media
Expert writing Tips
Best practice
When using "a world where" in persuasive writing, ensure that the conditions you describe are logically connected to your argument to enhance its impact.
Common error
Avoid starting too many sentences with "a world where" in academic or formal writing. This can make your writing sound repetitive and less sophisticated. Instead, vary your sentence structure and use more precise language to describe hypothetical situations.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a world where" functions as a relative clause introducer, setting the stage for a description of a hypothetical or imagined scenario. As Ludwig AI confirms, it's a valid construction. It allows the speaker or writer to explore possibilities and conditions that define the hypothetical "world".
Frequent in
News & Media
56%
Academia
19%
Formal & Business
8%
Less common in
Science
9%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "a world where" serves as a gateway to hypothetical scenarios, offering a versatile tool for creative expression, argumentation, and future planning. Ludwig AI confirms its grammatical correctness and widespread usability. Predominantly found in news and academic contexts, it maintains a neutral register suitable for diverse audiences. While effective, avoid overuse to maintain writing sophistication. Whether envisioning utopian ideals or exploring dystopian concerns, "a world where" invites exploration of the realm of possibilities.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a reality where
Substitutes "world" with "reality", highlighting the factual or experiential aspect of the scenario.
a future where
Specifies the timeframe as the "future", implying a projection or aspiration.
an existence in which
Replaces "world" with "existence", focusing on the state of being within a set of conditions.
an environment in which
Replaces "world" with "environment", emphasizing the surrounding conditions.
a society in which
Replaces "world" with "society", emphasizing the communal or societal aspect of the conditions.
a setting where
Similar to "situation", but often implies a more narrative or fictional context.
a situation where
Focuses on a specific set of circumstances rather than a broad world.
a place where
Describes a geographical or metaphorical location characterized by certain attributes.
a time when
Shifts the focus from a world to a specific period, defining conditions related to that era.
an era when
Emphasizes the historical period and its defining characteristics.
FAQs
How can I use "a world where" in a sentence?
Use "a world where" to introduce a hypothetical or imagined scenario. For example, "Imagine "a world where everyone has access to clean water"."
What are some alternatives to "a world where"?
Alternatives include "an existence in which", "a reality where", or "a society in which", depending on the specific nuance you want to convey.
Is it grammatically correct to start a sentence with "a world where"?
Yes, it is grammatically correct. The phrase introduces a relative clause that describes a condition or state of being.
What is the difference between "a world where" and "in a world where"?
"A world where" typically starts a sentence to introduce a broader concept, while "in a world where" is used within a sentence to provide context or set a condition. For example, "In a world where technology is advanced, education methods may change."
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested