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
it fills with
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'it fills with' is correct and usable in written English.
It is typically used in the context of a thing (or a person) being filled with an emotion or feeling, such as in the example sentence: "His heart filled with joy as he saw his daughter walk down the aisle."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(19)
it is brimming with
it is saturated with
it is replete with
it is abundant in
it is overflowing with
it is packed with
it finishes with
it incorporates with
it amplifies with
it occupies with
it files with
it complements with
it replaces with
it accomplishes with
it accommodates with
it filled with
it fulfils with
it fits with
it helps with
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
42 human-written examples
Here the ice tunnel enlarges faster than it fills with sediment and its evolution is independent of sedimentation, resulting in more uniform ice tunnel geometry.
Science
Imgur will have to work harder at maintaining its site's culture even as it fills with new users, and monetizes through ads as it's doing now with sponsored posts.
News & Media
It veers down and as it fills with wind, I suddenly feel its strength.
News & Media
Occasionally, it fills with and empties itself of stinky fluid; you can even see a small hole.
News & Media
The sole way to Romania had been an unreliable ferry that crosses only when it fills with cars.
News & Media
Later it fills with fruit and vegetable sellers and regular local shoppers, patiently mingling with spellbound tourists.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
18 human-written examples
In 60 seconds it filled with water.
News & Media
Keep it filled with sunflower seeds.
Wiki
It fills me with regret.
News & Media
"It fills me with emotion," he said.
News & Media
"It fills me with energy.
News & Media
Expert writing Tips
Best practice
When using "it fills with", ensure that the subject clearly indicates what is being filled and the object specifies what it is being filled with. Clarity is key for effective communication.
Common error
Avoid using "it fills with" without a clear antecedent for "it". Ensure the subject is explicitly stated or easily understood from the context to prevent ambiguity.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it fills with" functions as a verb phrase, indicating a process or action of something becoming full of something else. This is evident in the Ludwig examples, where "it" refers to a subject that undergoes the process of being filled.
Frequent in
News & Media
45%
Science
25%
Wiki
15%
Less common in
Formal & Business
5%
Encyclopedias
5%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "it fills with" is a versatile verb phrase used to describe the process of something becoming full. As Ludwig AI confirms, it is grammatically correct and finds common use in various contexts, particularly in news, science, and general writing. While maintaining clarity in subject-object relationships is essential, "it fills with" serves as a descriptive tool for illustrating transformation or a state of becoming. Alternatives such as "it is brimming with" or "it is saturated with" offer nuanced variations for expressing similar ideas.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it is brimming with
Uses "brimming" to emphasize a state of being full to the point of overflowing, which is a more intense version of filling.
it is saturated with
Implies that something is completely soaked or permeated, emphasizing thoroughness of filling.
it is replete with
More formal; suggests a rich and abundant filling, often implying completeness.
it is abundant in
Shifts focus to the plentiful presence of something within a space rather than the action of filling.
it is overflowing with
Emphasizes the excessiveness of what's filling something, suggesting it can't contain it all.
it is packed with
Suggests a dense and compact filling, emphasizing the quantity and closeness of the elements.
it is inundated with
Highlights an overwhelming flood or surge of something, emphasizing the intensity of filling.
it is laden with
Implies a heavy burden or weight due to what's filling it, often used metaphorically.
it is permeated by
Focuses on the thorough penetration and spread of something throughout, emphasizing a different aspect of filling.
it is heavy with
Emphasizes the weight or impact caused by the filling, often implying emotional or metaphorical weight.
FAQs
How can I use "it fills with" in a sentence?
Use "it fills with" to describe something becoming full of something else, either literally or figuratively. For example, "The room it fills with laughter" or "Her heart it fills with joy".
What are some alternatives to "it fills with"?
Alternatives include "it is brimming with", "it is saturated with", or "it is replete with", each carrying a slightly different nuance depending on the context.
Is "it fills with" formal or informal?
The phrase "it fills with" is generally considered neutral in tone and can be used in both formal and informal contexts. However, the surrounding language will greatly determine the register of your writing.
How does "it fills with" differ from "it is filled with"?
"It fills with" describes the process of becoming full, whereas "it is filled with" describes the state of being full. The former emphasizes the action, while the latter emphasizes the condition.
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested