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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
how is that possible
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'how is that possible' is correct and usable in written English.
You can use it to ask about something that seems unlikely or difficult to believe. For example: "I heard that the new CEO is only 20 years old - how is that possible?".
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(20)
what led to that
is that indeed the case
is that the case
is that plausible
how did that come about
is that honestly the case
is that this is so
is that really the case
how could it be
how is this possible
how can that be
how can that be true
is that this is true
is that really so
is that necessarily true
what are the reasons for that
is that a fact
is that definitely the situation
is that actually true
is that truly so
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
34 human-written examples
How is that possible?
News & Media
So how is that possible?
News & Media
But how is that possible?
News & Media
Outsiders think, How is that possible?
News & Media
"How is that possible?" she wondered.
News & Media
How is that possible?" he asked.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
20 human-written examples
How was that possible?
News & Media
So, how was that possible?
News & Media
How is that even possible?
News & Media
So how is that even possible?
News & Media
How is that possibly possible?
Science
Expert writing Tips
Best practice
Use "how is that possible" to express genuine surprise or skepticism when presented with unexpected information. It invites explanation and further detail.
Common error
Avoid using "how is that possible" sarcastically when you already know the answer. Sarcastic usage can come across as dismissive or condescending.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "how is that possible" functions as an interrogative expression. It serves to question the feasibility or likelihood of a statement or situation. Ludwig AI indicates the phrase is grammatically correct and usable in written English.
Frequent in
News & Media
65%
Academia
15%
Science
10%
Less common in
Formal & Business
5%
Wiki
3%
Encyclopedias
2%
Ludwig's WRAP-UP
The phrase "how is that possible" is a versatile interrogative expression used to convey surprise, skepticism, or genuine inquiry. Ludwig AI confirms its grammatical correctness and broad applicability across diverse contexts, including news, academia, and everyday conversation. The phrase prompts explanation and invites further detail. While its register is generally neutral, avoiding sarcastic usage ensures clarity and prevents unintended negative connotations. Related alternatives, such as "how can that be" and "is that plausible", offer nuanced ways to question the feasibility or likelihood of a statement or situation.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
How can that be?
Changes the verb from "is" to "can be", emphasizing the possibility rather than the current state.
How is that achievable?
Replaces "possible" with "achievable", focusing on the attainability of a goal.
What makes that feasible?
Replaces "possible" with "feasible" and frames the question to seek the underlying reasons for possibility.
How could that happen?
Focuses on the process or sequence of events that would lead to the situation being questioned.
Is that plausible?
Asks whether something is believable or credible.
Is that even realistic?
Questions the practicality and groundedness of the situation.
What are the odds of that?
Expresses surprise by questioning the probability or likelihood of the event.
How does that work?
Shifts the focus to understanding the mechanism or process by which something is possible.
What's the explanation for that?
Seeks a rational account or reason for the situation, rather than questioning its possibility.
What's the likelihood of that?
Similar to "What are the odds of that?" but more formal.
FAQs
How can I rephrase "how is that possible" to sound more formal?
In formal contexts, you can use alternatives like "how is that achievable", "what makes that feasible?", or "is that plausible" to maintain a professional tone.
What's the difference between "how is that possible" and "how can that be"?
While both phrases express surprise or disbelief, "how is that possible" focuses on the feasibility of something, whereas "how can that be" questions the way something exists or occurs.
How to use "how is that possible" in a sentence?
You can use "how is that possible" in situations where you encounter an unexpected situation or a surprising piece of information. For example: "He claims to have finished the project in one day – how is that possible?"
What's a less direct way to ask "how is that possible"?
Instead of directly asking "how is that possible?", you could say "I'm having trouble understanding how that could happen" or "I'm curious to know more about how that was achieved".
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested