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
well capped
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "well capped" is correct and usable in written English.
It can be used to describe something that is properly or effectively capped, such as a bottle or a container, indicating that it is sealed or closed securely. Example: "Make sure the bottle is well capped before you put it in your bag to avoid any spills."
✓ Grammatically correct
News & Media
Science
Wiki
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
11 human-written examples
One morning, of course, the job was all finished, the well capped, the pump reinstated, the fresh water marvelled at.
News & Media
Before the Deepwater Horizon oil spill was finally contained and the well capped in July 2010, it was estimated that some 4.9 million barrels of oil had been released into the water.
Encyclopedias
The decision whether to keep the well capped or resume drawing off the oil, Mr. Salt said, lies with the federal government's incident commander, Thad W. Allen, a retired Coast Guard admiral.
News & Media
WICKENDEN: Raffi, it's sort of amazing to think about the images from just a year ago — five million barrels of crude oil gushing into the Gulf of Mexico for three months — and to recall the extraordinary resources that were devoted to getting the well capped and the cleanup under control.
News & Media
The decision to leave the well capped, which was made at the recommendation of Energy Secretary Steven Chu, means that scientists with the government and with BP think that the well is undamaged and that there is little risk it would deteriorate if kept under pressure, as it has been since valves on a new cap were closed a week ago.
News & Media
When BP suggested over the weekend that it might leave the Gulf of Mexico well capped until it completed the relief wells, Representative Edward J. Markey, Democrat of Massachusetts, suggested that the company might have an ulterior motive — to limit its own spiraling legal liability.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
Creeping dianthus spills from the center of a centuries-old stone well cap.
News & Media
His Disney concert hall, some critics think, may well cap his career.
News & Media
Ammann received plenty of attention in the United States as well, capping it off with an appearance on David Letterman's show in New York.
News & Media
With 10st 7lb to shoulder, he may very well cap the finest season in the career of Richard Johnson, who is finally on his way to being champion jump jockey.
News & Media
Success of the methods for subsea well capping proved that safe and cost effective work is possible adjacent to a burning blowout.
Expert writing Tips
Best practice
When using "well capped", ensure the context clearly indicates what is being capped. For instance, specify "the oil well was well capped" for clarity.
Common error
Avoid using "well capped" as a generic substitute for "well maintained". It specifically refers to having a secure cap or closure, not overall condition.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "well capped" functions primarily as an adjective phrase. It describes the state of something that has been effectively and securely closed with a cap or covering. As shown by Ludwig, it modifies nouns, indicating a condition of proper sealing.
Frequent in
News & Media
40%
Science
30%
Wiki
15%
Less common in
Encyclopedias
5%
Formal & Business
5%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "well capped" is used to describe something that is securely closed or sealed. Ludwig AI confirms its grammatical correctness and usability. Primarily functioning as an adjective phrase, it appears most frequently in News & Media and Science contexts. When using "well capped", ensure the context is clear about what is being capped and avoid using it as a substitute for general maintenance. Alternatives such as ""properly sealed"" or ""securely closed"" can be used depending on the specific nuance you wish to convey.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
properly sealed
Focuses on the sealing aspect rather than the presence of a cap.
securely closed
Emphasizes the security of the closure, applicable beyond just caps.
tightly sealed
Highlights the tightness of the seal, implying no leakage.
effectively sealed
Focuses on the effectiveness of the sealing process.
hermetically sealed
Indicates an airtight seal, suitable for specific contexts.
covered securely
Broader term indicating that something is protected by a secure covering.
closed off properly
Focuses on the action of closing something in a correct manner.
completely shut
Emphasizes the completeness of the closure.
effectively contained
Focuses on the ability to hold something within bounds, often liquid or gas.
safely contained
Emphasizes the safety aspect of keeping something within bounds.
FAQs
How can I use "well capped" in a sentence?
You can use "well capped" to describe something that is properly and securely sealed. For example: "The sample vials must be "properly sealed" to prevent contamination, ensuring they are "well capped".
What's a good alternative to using "well capped"?
Depending on the context, alternatives to "well capped" include "securely closed", "tightly sealed", or "effectively sealed".
Is it correct to say "the well is capped well" instead of "well capped"?
While grammatically understandable, "the well is capped well" is less idiomatic than ""well capped"". The latter is more concise and commonly used.
In what situations would I use "well capped"?
"Well capped" is suitable in situations where you want to emphasize that something has been closed or sealed securely, preventing leakage or contamination. Consider using phrases such as "properly sealed" or "securely closed" depending on context.
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
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested