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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
I cannot fathom how
Grammar usage guide and real-world examplesUSAGE SUMMARY
"I cannot fathom how" is correct and usable in written English.
You can use it when you are expressing disbelief or confusion about something. For example, "I cannot fathom how the company could make such drastic changes without consulting with employees first."
✓ Grammatically correct
News & Media
Formal & Business
Alternative expressions(3)
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
16 human-written examples
Ms. Sedgwick said, "I cannot fathom how difficult it will be to say goodbye to the incredible family we've created".
News & Media
And I cannot fathom how this recent drop in rates will help the economy, other than psychologically.
News & Media
I cannot fathom how that must have felt to the person who was hopelessly about to hit me in that tunnel.
News & Media
I cannot fathom how and why The New York Times can describe the stoning of people on the roads as a "rite of passage".
News & Media
"I cannot fathom how her sister is going to put one foot in front of the other," Ms. Conklin-Spillane said.
News & Media
It's a very easy game to adjudicate from the sofa but I cannot fathom how Aleem Dar originally gave that not out.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
43 human-written examples
Speaking about the reality of the disease for many of the women he met in Africa, Mr. Byrne said: "I still cannot fathom how difficult it was for the women I met to find out that they were HIV-positive.
Formal & Business
I still cannot fathom how these men could even attempt to blame her, but I know that in reality, victim blaming is an all-too-common reaction in cases of sexual assault.
News & Media
They have said this so clearly that I simply cannot fathom how anyone can doubt their sincerity and commitment.
News & Media
"Iran has repeatedly said it seeks to rejoin the global community, yet I simply cannot fathom how this is possible if it continues to hold American political prisoners," Representative Dan Kildee, a Democrat from Michigan, said today.
News & Media
This bullying is something I've witnessed many times just among adults and cannot fathom how many bullies there are among teenagers, who seem to be building a proverbial hall-of-fame for bullying.
News & Media
Expert writing Tips
Best practice
Use "I cannot fathom how" when you want to express a strong sense of disbelief, confusion, or inability to understand something, especially when the situation seems illogical or unreasonable to you.
Common error
While grammatically correct, using "I cannot fathom how" in everyday, casual conversation can sound overly formal or pretentious. Opt for simpler alternatives like "I don't understand how" or "I can't figure out how" in informal settings.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I cannot fathom how" functions as an expression of disbelief or incomprehension. It introduces a statement expressing the speaker's inability to understand a situation or action, often implying that it is illogical or unreasonable. According to Ludwig AI, the phrase is grammatically correct and frequently found in diverse contexts.
Frequent in
News & Media
63%
Formal & Business
11%
Science
8%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "I cannot fathom how" is a phrase used to express a strong sense of disbelief or inability to understand something. Ludwig AI confirms it's grammatically correct and suitable for professional and neutral contexts, although it might sound overly formal in casual conversations. It appears frequently in News & Media, Formal & Business, and to a lesser extent, Scientific contexts. While "I can't understand how" and "I fail to see how" offer simpler alternatives, "I cannot fathom how" adds a layer of emphasis to the speaker's bewilderment.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I can't understand how
Replaces "fathom" with a more common synonym "understand", simplifying the expression.
I cannot comprehend how
Substitutes "fathom" with "comprehend", maintaining a formal tone but using a different vocabulary.
I'm at a loss to understand how
Emphasizes the speaker's confusion and inability to grasp the situation.
It's beyond my understanding how
Highlights that the situation exceeds the speaker's capacity to understand.
I fail to see how
Offers a more direct and less verbose way of expressing a lack of understanding.
I'm struggling to understand how
Indicates a difficulty in grasping the situation, suggesting an ongoing effort to comprehend.
I'm baffled by how
Replaces "cannot fathom" with "baffled by", indicating confusion and bewilderment.
I'm perplexed as to how
Uses "perplexed" to express confusion and uncertainty regarding the manner in which something happened.
It's a mystery to me how
Framing the situation as a mystery highlights the speaker's inability to find a logical explanation.
I don't get how
Uses a more informal and straightforward way to express incomprehension.
FAQs
What does "I cannot fathom how" mean?
The phrase "I cannot fathom how" means that you are unable to understand or believe something. It expresses a strong sense of disbelief or confusion.
Is it better to use "I cannot fathom how" or "I cannot understand how"?
"I cannot fathom how" is more formal and emphasizes a deeper sense of disbelief or confusion compared to the simpler and more common phrase "I cannot understand how".
What are some alternatives to "I cannot fathom how"?
You can use alternatives like "I can't understand how", "I fail to see how", or "I don't get how" depending on the level of formality you want to convey.
How can I use "I cannot fathom how" in a sentence?
You can use "I cannot fathom how" to express your inability to understand something. For example, "I cannot fathom how anyone could support such a policy" or "I cannot fathom how he managed to complete the project on time".
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested