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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
mostly but not always
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "mostly but not always" is correct and commonly used in written English, particularly when you want to emphasize that something is usually true, but not always.
For example: "Mostly, children like candy, but not always."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(19)
usually but not always
generally but not always
typically but not always
usually but with exceptions
often but not always
largely but not always
predominantly but not always
primarily but not always
commonly but not always
normally but not always
traditionally but not always
widely but not always
frequently but not always
mainly but not always
often
sometimes but not always
consistently but not always
used but not always
usually but not invariably
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
23 human-written examples
— and her answers are mostly but not always sardonic.
News & Media
"Mostly, but not always, because I'm the one who causes it".
News & Media
I know this because people — mostly but not always random strangers — tell me so.
News & Media
Yet some of its raw materials – mostly, but not always, texts – are rooted in the there and then.
News & Media
It is the book as litmus test, used mostly but not always in measuring a lurking romance.
News & Media
THE past quarter of a century has seen several bursts of selling by the world's governments, mostly but not always in benign market conditions.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
37 human-written examples
Like any number of past Trevor characters -- mostly women, but not always -- Lucy will manage to live for decades off a handful of romantic recollections.
News & Media
"As we have gotten down to a core group that is mostly willing but not always able to go to work, we must shift the focus of our program," said the commissioner of the city's Human Resources Administration, Verna Eggleston.
News & Media
If it's a really hot day, the hydrant will get busted at the beginning of the day, and providing there are people – mostly kids, but not always – taking advantage of it, the hydrants will stay turned throughout the day ("If nobody is getting wet, we'll close it").
News & Media
The naysayers were mostly men, but not always.
News & Media
The increase of COR was mostly monotonic but not always linear.
Expert writing Tips
Best practice
Use "mostly but not always" to add nuance to generalizations, preventing overstatements and acknowledging exceptions.
Common error
Avoid repetitive use of "mostly but not always" in close proximity. Vary your language to maintain reader engagement and avoid sounding monotonous.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "mostly but not always" functions as an adverbial modifier, qualifying a statement to indicate that it is generally true but not universally applicable. As noted by Ludwig AI, this construction is both correct and commonly used.
Frequent in
News & Media
40%
Science
32%
Wiki
12%
Less common in
Formal & Business
8%
Encyclopedias
4%
Academia
4%
Ludwig's WRAP-UP
The phrase "mostly but not always" is a versatile expression used to qualify statements, indicating a general truth with acknowledged exceptions. As Ludwig AI confirms, it's grammatically sound and widely used across diverse contexts. Predominantly found in news, media, and scientific writing, its function is to provide nuance and avoid overgeneralizations. While suitable for most writing, carefully consider the context and choose alternatives to avoid repetition. Remember, the key is to achieve balance and clarity in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
usually but with exceptions
Replaces "mostly" with "usually" while retaining the core meaning of a general rule that admits exceptions.
generally although not invariably
Emphasizes the generality of a statement but acknowledges that it doesn't always hold true.
typically yet not invariably
Highlights a common occurrence but notes that there are deviations from the norm.
more often than not, however, there are exceptions
Provides a longer, more explicit way of expressing a common pattern with exceptions.
predominantly but with occasional deviations
Indicates a dominant trend with infrequent departures from it.
largely but not in every case
Stresses that a statement is true for the most part but not universally.
primarily however with some exceptions
Similar to predominantly, it shows something is first but there are things that diverge.
for the most part, there are exceptions
Breaks down the idea into two simple phrases, that is a general rule but has exceptions.
almost always but occasionally not
Almost always' is strong that mostly and the "occasionally not" shows the exceptions.
in most instances, though not always
Emphasizes prevalence but acknowledges the existing differences in all instances.
FAQs
How can I use "mostly but not always" in a sentence?
Use "mostly but not always" to qualify a statement that is generally true but has exceptions. For example, "The trains are "usually on time", but "mostly but not always"."
What phrases are similar to "mostly but not always"?
Similar phrases include "usually but not always", "generally but not always", or "typically but not always", all indicating a tendency with exceptions.
Is it redundant to say "mostly but not always"?
While both "mostly" and "not always" imply a lack of universality, using them together emphasizes the qualification, clarifying that the statement is generally, but not invariably, true.
Can "mostly but not always" be used in formal writing?
"Mostly but not always" is suitable for various contexts, including formal writing, when precision and acknowledgment of exceptions are important. More formal alternatives might be preferred for highly academic or legal contexts, though.
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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