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
allow to boil
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "allow to boil" is not correct as it is missing a subject and an object.
You can use it in a context where you want to indicate permission for something to boil, but it needs to be rephrased for clarity. Example: "Allow the water to boil before adding the pasta."
⚠ May contain grammatical issues
News & Media
Wiki
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
28 human-written examples
Add beef, allow to boil 5 minutes and skim.
News & Media
(Do not allow to boil, or the eggs will scramble).
News & Media
Mix together but do not allow to boil.
News & Media
A culinary tip: if you manage to get your hands on a real haggis, cook slowly at a simmer and never allow to boil.
News & Media
Cook gently, stirring with a wooden spoon, until the mixture is thick enough to coat the back of the spoon lightly; do not allow to boil.
News & Media
Set aside, and keep warm (the best way is in a thermos); do not allow to boil. 2. Bring a 3-quart pot of water seasoned with 1 tablespoon salt to a boil.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
32 human-written examples
It is sometimes then reheated a little, or just allowed to sit off the heat for a few minutes; in any case, it is never allowed to boil.
News & Media
What happened in 2010 might easily have been a repeat of 1951 if the simmering enmity between Blairites and Brownites had been allowed to boil over.
News & Media
In the General Electric design, water circulating through the reactor acts as moderator but is allowed to boil into steam that drives a turbine.
News & Media
The suspension was further allowed to boil for 2 min with continuous stirring.
Science
One gram seed tissue from both control and aged treatment was immersed separately in ethanol and allowed to boil for 10 min.
Science
Expert writing Tips
Best practice
When using "allow to boil", ensure the subject and object are clearly specified for grammatical correctness. For instance, "Allow the water to boil."
Common error
Avoid using "allow to boil" without a clear subject and object. This often leads to ambiguity and grammatical errors. Always clarify what is being allowed to boil. For example, instead of saying "Allow to boil", write "Allow the broth to boil gently."
Source & Trust
76%
Authority and reliability
3.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "allow to boil" functions as an imperative or instructional phrase, often used in recipes or procedural guides. As Ludwig AI explains, the phrase benefits from including a subject and object to be fully correct.
Frequent in
Wiki
34%
News & Media
34%
Science
32%
Less common in
Formal & Business
0%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, while the phrase "allow to boil" is commonly used, Ludwig AI advises that it can be grammatically improved by specifying the subject and object involved in the boiling process. This ensures clarity and precision, especially in more formal contexts. While frequent across Wiki, News & Media, and Science, remember to clearly indicate what is being allowed to boil for better grammatical accuracy. For alternative phrasings, consider "let it boil" or "permit to boil".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
let it boil
A more direct way to instruct someone to let something reach boiling point.
permit to boil
A more formal synonym for "allow", indicating consent for boiling.
bring to a boil
Focuses on the action of causing something to boil, rather than allowing it.
bring it to boil
A more succinct expression, but less formal.
do not boil
Indicates a prohibition against boiling.
avoid boiling
Suggests preventing the action of boiling.
ensure it boils
Focuses on making sure that boiling occurs.
maintain at a boil
Specifies keeping something at boiling temperature.
cause to boil
Highlights the action of making something boil.
heat until boiling
Describes heating a substance until it reaches boiling point.
FAQs
Is "allow to boil" grammatically correct?
According to Ludwig AI, the phrase "allow to boil" is not correct because it is missing a subject and an object. While commonly used, it is best to specify what is being allowed to boil for clarity.
How can I properly use "allow to boil" in a sentence?
Ensure you include a subject and an object. For example, "Allow the water to boil before adding the pasta." Alternatives include "let it boil" or "permit to boil".
What's a more formal alternative to "allow to boil"?
A more formal alternative would be "permit to boil", which conveys the same meaning with a more refined tone.
When should I avoid using the phrase "allow to boil"?
Avoid using "allow to boil" in contexts where clarity and precision are paramount, such as in scientific or technical writing. It's better to use a more explicit construction like "Allow the solution to boil".
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
76%
Authority and reliability
3.5/5
Expert rating
Real-world application tested