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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
doesn't add up
Grammar usage guide and real-world examplesUSAGE SUMMARY
"doesn't add up" is correct and usable in written English.
It is an idiom which means that a situation or story is confusing or does not make sense. For example: "I heard him tell two different stories, but they both contradict each other. It doesn't add up."
✓ Grammatically correct
News & Media
Food
Sports
Alternative expressions(20)
doesn't make sense
something is fishy
something is amiss
is inconsistent
lacks coherence
it seems improbable
makes no logical sense
is illogical
is nonsensical
makes no sense
is completely illogical
defies logic
is irrational
is fundamentally flawed
is without basis
defies all reason
is preposterous
doesn't seem logical
doesn't appeal to me
is not logical
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
The arithmetic doesn't add up".
News & Media
Commerce doesn't add up neatly.
News & Media
That doesn't add up, does it?
News & Media
"That doesn't add up to wins.
News & Media
It doesn't add up, does it?
News & Media
"It just doesn't add up," he said.
News & Media
And "35 ½" doesn't add up to enough.
News & Media
But something simply doesn't add up here.
News & Media
But it doesn't add up to much.
News & Media
"The math doesn't add up," he said.
News & Media
"It doesn't add up," Mr. McCain said.
News & Media
Expert writing Tips
Best practice
Use "doesn't add up" to express that facts or details of a situation don't logically connect or make sense together. This idiom is effective in pointing out inconsistencies or suggesting something is amiss.
Common error
Avoid using "doesn't add up" to describe something that is merely difficult or challenging. This phrase should be reserved for scenarios where there is a clear inconsistency or logical fallacy.
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "doesn't add up" functions as an idiomatic expression used to indicate a lack of logical consistency or coherence in a situation or set of facts. Ludwig AI's examples show it frequently used to express disbelief or suspicion when something seems amiss.
Frequent in
News & Media
73%
Food
7%
Sports
5%
Less common in
Wiki
3%
Formal & Business
2%
Science
7%
Ludwig's WRAP-UP
In summary, the idiom "doesn't add up" is a common and grammatically correct way to express that something lacks logical consistency or coherence. Ludwig AI confirms its usability in diverse contexts, mainly news and media, though less common in more formal settings. For alternative expressions, you might consider phrases like "doesn't make sense" or "something is fishy". When writing, reserve this phrase for scenarios where a genuine inconsistency exists, rather than a general challenge or difficulty. Remember that while versatile, it leans towards the informal side.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
doesn't make sense
Focuses on the lack of logical coherence.
doesn't compute
Emphasizes a failure of logical calculation or reasoning.
something is fishy
Highlights suspicion or a sense that something is wrong or deceitful.
something is amiss
Indicates that something is not as it should be, suggesting a problem or irregularity.
the numbers don't align
Focuses on a discrepancy in numerical data or figures.
the story doesn't hold water
Suggests that an explanation or account is weak, unconvincing, or illogical.
it's all a bit suspect
Indicates a general feeling of doubt or mistrust.
there's something strange going on
Suggests an unusual or inexplicable situation is occurring.
it seems improbable
Highlights that something is unlikely or hard to believe.
that's quite questionable
Emphasizes the dubiousness or uncertainty of something.
FAQs
How can I use "doesn't add up" in a sentence?
You can use "doesn't add up" to indicate that something is inconsistent or illogical. For example: "The suspect's alibi had several inconsistencies; it just "doesn't add up"."
What does "doesn't add up" mean?
The phrase "doesn't add up" means that facts, details, or pieces of information do not logically connect or make sense together, suggesting something is wrong or inconsistent.
What can I say instead of "doesn't add up"?
You can use alternatives like "doesn't make sense", "something is fishy", or "something is amiss" depending on the context.
Is "doesn't add up" formal or informal?
"Doesn't add up" is generally considered informal and is best suited for everyday conversations, news articles, or casual writing. More formal contexts may require phrases like "is inconsistent" or "lacks coherence".
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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
4.6/5
Expert rating
Real-world application tested