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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
full on
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'full on' is not considered acceptable in written English.
In spoken English, it is used to emphasize something that someone is doing enthusiastically or to describe something as intense. For example, "She's full on studying for her final exams."
News & Media
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
5 human-written examples
The full on?
News & Media
She's on — full on.
News & Media
"He's full on commitment, man.
News & Media
It should be full on".
News & Media
Ms. Hampton said, "I was full on".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Then full-on crying.
News & Media
A full-on Taliban revival?
News & Media
It was really full-on.
News & Media
Full-on body checking is prohibited.
News & Media
Full-on, straight up, no chaser.
News & Media
"It's a full-on charm offensive".
News & Media
Expert writing Tips
Best practice
For formal writing, replace "full on" with more precise and professional alternatives like "completely", "intensely", or "thoroughly".
Common error
Avoid using "full on" in formal reports, academic papers, or business communications. Its informality can detract from the seriousness and professionalism of your writing.
Source & Trust
89%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "full on" functions as an intensifier, modifying nouns or verbs to emphasize the degree or manner of an action or state. As Ludwig AI suggests, it's often used to highlight enthusiasm or intensity. Examples include "full-on crying" and "full-on charm offensive".
Frequent in
News & Media
100%
Less common in
Science
0%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "full on" is an acceptable, albeit informal, way to express intensity, enthusiasm, or completeness, primarily in spoken English. Ludwig AI indicates that it is less suitable for formal written contexts where alternatives like "completely" or "intensely" are more appropriate. The phrase appears mostly in news and media sources, suggesting its common, yet informal, usage. While grammatically acceptable in certain contexts, overusing "full on" in formal settings should be avoided to maintain a professional tone. Consider replacing it with more precise and formal alternatives when writing academic papers or business communications.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
all-out
"All-out" suggests maximum effort or commitment, mirroring the enthusiastic sense of "full on".
out-and-out
This phrase indicates something being complete or thorough, much like "full on" in certain contexts.
completely
This adverb indicates a total or absolute degree, similar to "full on" when used to emphasize completeness.
totally
Similar to completely, "totally" implies a complete or absolute extent.
flat out
Implies maximum speed or effort, similar to "full on" when describing intense activity.
intensely
This adverb conveys a high degree of feeling or strength, reflecting the intensity aspect of "full on".
with great intensity
Expresses a high degree of strength or emotion, aligning with the intensity aspect of "full on".
wholeheartedly
Conveys the idea of doing something with complete enthusiasm and commitment.
in full swing
Describes something that is at its peak activity or progress.
thoroughly
This adverb suggests that something is done completely and carefully.
FAQs
How can I use "full on" in a sentence?
You can use "full on" to describe something done with enthusiasm or something intense, like, "She's "full on studying" for her exams" or "It was a "full on party" last night".
What phrases can I use instead of "full on"?
Alternatives to "full on" include "completely", "intensely", or "all-out", depending on the specific context.
Is it grammatically correct to use "full on" in written English?
While "full on" is commonly used in spoken English, it's often considered too informal for formal written English. Consider using more formal alternatives in professional writing.
What's the difference between "full on" and "intense"?
"Full on" often implies both intensity and enthusiasm or commitment, whereas "intense" primarily focuses on the degree of strength or feeling. "Full on" is also more informal.
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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
3.8/5
Expert rating
Real-world application tested