Used and loved by millions
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
completely knocked out
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "completely knocked out" is correct and usable in written English.
It can be used to describe someone who is unconscious or extremely tired, often after a physical altercation or intense activity. Example: "After the long hike, I was completely knocked out and fell asleep as soon as I got home."
✓ Grammatically correct
News & Media
Science
Alternative expressions(4)
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
35 human-written examples
"She was completely knocked out".
News & Media
"I was completely knocked out," Mr. Demme said recently by telephone.
News & Media
And then I saw it, and was completely knocked out by it.
News & Media
Martin and I watched this for the first time the other day, on DVD, and were completely knocked out by it.
News & Media
And if they aren't completely knocked out and dazzled and kind of intimidated by me, then I don't feel good about myself".
News & Media
Torrential rain completely knocked out Sheffield Theatres' box office last week, but the show in the Lyceum – the superb Sadler's Wells West Side Story – naturally went on.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
25 human-written examples
Here, we used CRISPR/CAS9-mediated genetic editing techniques, to completely knock out the Clock expression in mouse ESCs.
Science
Thus, double genome loci should be knocked out if we want to completely knock out the miR-23-27 miR-23-27 miR-23-27
Science
As the BRCA genes are tumour suppressors, two events are required to completely knock out gene function.
Science
Still, there are issues that remain: with four copies of any given gene, it is virtually impossible to completely knock out its expression.
The transactivation experiments also showed that mutation of the sites at -460 (m1) and -445 (m2) did not completely knock out reporter gene expression.
Science
Expert writing Tips
Best practice
Use "completely knocked out" to vividly describe a state of unconsciousness, extreme fatigue, or being emotionally overwhelmed. It adds a strong, expressive touch to your writing.
Common error
Avoid using "completely knocked out" in highly formal or academic writing. Opt for more clinical or neutral terms like "unconscious" or "incapacitated" to maintain a professional tone.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "completely knocked out" functions primarily as an adjectival phrase modifying a subject, indicating a state of being either unconscious, extremely fatigued, or emotionally overwhelmed. Ludwig examples show usage across news, science, and personal narratives.
Frequent in
News & Media
41%
Science
38%
Wiki
6%
Less common in
Formal & Business
0%
Reference
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "completely knocked out" is a versatile adjectival phrase that conveys a state of incapacitation, ranging from physical unconsciousness to extreme emotional exhaustion. Ludwig AI validates the phrase's grammatical correctness and common usage across various contexts, predominantly in News & Media and Science. While the phrase is generally neutral in register, it's advisable to use more formal alternatives in academic or highly professional settings. Remember to wield this expression judiciously to add vividness to your writing while maintaining appropriate tone and register.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
totally unconscious
Emphasizes the state of being without consciousness, similar to being completely knocked out.
out for the count
An idiomatic expression derived from boxing, indicating someone is unconscious and unable to continue.
utterly exhausted
Focuses on the extreme tiredness aspect, akin to the after-effect of being knocked out.
passed out cold
Describes a sudden loss of consciousness, much like being knocked out.
lost consciousness entirely
Highlights the complete loss of awareness, comparable to the effect of being knocked out.
rendered senseless
Suggests a state where one's senses are impaired, similar to the disorientation after being knocked out.
completely overwhelmed
Describes being overpowered or overcome, which can be a figurative sense of being knocked out.
totally spent
Indicates a state of being completely drained of energy, like after being knocked out.
flat out
Means exhausted or working as hard as possible; a possible consequence of what knocked someone out.
incapacitated fully
Implies being unable to function, similar to the state of being knocked out.
FAQs
How can I use "completely knocked out" in a sentence?
You can use "completely knocked out" to describe someone who is unconscious, extremely tired, or overwhelmed. For example, "After the marathon, I was "completely knocked out"." or "The news "completely knocked her out"."
What are some alternatives to "completely knocked out"?
Alternatives include "totally unconscious", "utterly exhausted", or "passed out cold", depending on the specific context you want to convey.
Is "completely knocked out" formal or informal?
"Completely knocked out" is generally considered informal. In formal writing, consider using more neutral or clinical terms such as "unconscious" or "incapacitated".
What does it mean to say someone was "completely knocked out"?
It means the person was either rendered unconscious, utterly exhausted, or emotionally overwhelmed by something.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested