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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
not course
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "not course" is not a complete or grammatically correct sentence.
It may be a fragment or a typo. It cannot be used as a standalone sentence in written English. However, it can be used as a part of a larger sentence, depending on the context. For example: - "I am not course correcting my project plan because I have already accounted for all potential issues." (in this sentence, "not course correcting" is used as a verb phrase) - "His demeanor during the meeting was not course, but rather calm and collected." (in this sentence, "not course" is used as an adjective phrase to describe someone's behavior) - "Not course!" exclaimed the driver as they took a wrong turn. (in this sentence, "not course" is used as an interjection to express surprise or frustration) In all of these examples, "not course" is part of a larger sentence and cannot stand alone.
⚠ May contain grammatical issues
News & Media
Science
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
6 human-written examples
"I'm really pleased to see you Ken," I said, and then felt silly, "Well, I'm not, course I'm not".
News & Media
Religion is concerned not with genuine history, but with sacred history, which does not course through time like a river.
News & Media
China's growing prosperity does not course through its society, it sweeps over it, obliterating evidence of an earlier, poorer era.China keeps detailed statistics on the stuff it adds to the skyline.
News & Media
Let me check the diary, no, thought not, course we'd love to have the kids, what a shame, but we're only back to see the financial adviser, thought we'd look into drawdown.
News & Media
The dorsal metatarsal arteries do not course at the midline of the interosseous muscles.
Technological components cannot simply be tacked on to traditional approaches without careful consideration [ 10] but clinicians are usually not course designers, and neither of them are necessarily educational technologists.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
They don't, of course, not really.
News & Media
Well, not of course.
News & Media
It will not, of course.
News & Media
They're not, of course.
News & Media
It has not, of course.
News & Media
Expert writing Tips
Best practice
Avoid using the phrase "not course" as a standalone expression in formal writing. It's often perceived as grammatically incorrect or incomplete. Instead, opt for clearer and more established phrases such as "of course not" or "certainly not".
Common error
Sometimes, "not course" appears as a shortened form of "of course not" in informal speech. However, in formal writing, always include the "of" to maintain grammatical correctness and clarity. Avoid assuming the reader will automatically infer the missing word.
Source & Trust
88%
Authority and reliability
3.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "not course", while appearing in text, is grammatically incomplete as a standalone expression. It seems to function as a shortened, informal version of "of course not". Ludwig highlights that this usage is often incorrect in formal contexts.
Frequent in
News & Media
67%
Science
33%
Formal & Business
0%
Less common in
Science
33%
Formal & Business
0%
Academia
0%
Ludwig's WRAP-UP
In summary, while the phrase "not course" appears in various contexts, it is generally grammatically incorrect as a standalone phrase in formal English. It's often an informal shortening of "of course not". As Ludwig AI points out, while it may be encountered in media and casual speech, it lacks the precision and clarity required for professional or academic writing. Opt for clearer alternatives like "of course not", "certainly not", or "definitely not" to ensure grammatical correctness and effective communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
of course not
Reverses the order while retaining a sense of obvious negation, unlike the ambiguous "not course".
certainly not
Emphasizes negation with conviction, replacing the vague "not course" with a definitive denial.
definitely not
Similar to "certainly not", providing a strong and clear negative response instead of "not course".
absolutely not
Conveys an even stronger denial or refusal, offering a more forceful alternative to "not course".
not at all
Provides a simple and direct way to negate a statement, contrasting with the unclear "not course".
by no means
Offers a formal way to express negation, replacing the informal and questionable "not course".
in no way
Similar to "by no means", indicating that something is impossible or untrue, unlike "not course".
not in the slightest
Emphasizes the absence of something to a great degree, unlike "not course".
far from it
Indicates the opposite of what was suggested is true, making a clear contrast to "not course".
not under any circumstances
Highlights an explicit condition, replacing the implicit conditionality of "not course".
FAQs
How can I properly use "not course" in a sentence?
While "not course" itself isn't grammatically correct, it can sometimes appear as a shortened, informal version of "of course not". In formal writing, it's best to use the full phrase, or consider alternatives like "certainly not".
What are some alternatives to "not course" that are grammatically correct?
Instead of "not course", you can use phrases like "of course not", "definitely not", or "absolutely not" to convey a similar meaning with better grammar.
Is it ever acceptable to use "not course" in writing?
In most formal writing contexts, "not course" is considered grammatically incorrect. It's acceptable in very informal settings or dialogue where characters might use shortened expressions, but avoid it in professional or academic work.
What's the difference between "not course" and "of course not"?
"Of course not" is a grammatically correct and widely accepted phrase used to express strong disagreement or negation. "Not course", on the other hand, is an incomplete or informal shortening that lacks the clarity and grammatical validity of "of course not".
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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
3.5/5
Expert rating
Real-world application tested