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 quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

fill up with

Grammar usage guide and real-world examples

USAGE SUMMARY

"fill up with" is a correct and usable phrase in written English.
It is usually used in the context of filling an area with something. For example, "We need to fill up with sand to even out the ground beneath the swimming pool."

✓ Grammatically correct

News & Media

Wiki

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Their arms fill up with clothing.

HSBC's Twitter feed started to fill up with angry customers.

News & Media

Independent

It was beginning to fill up with sleek furniture.

News & Media

The New Yorker

Have some jugs to fill up with water".

News & Media

The New York Times

Guttering can quickly fill up with leaves and debris.

When macrophages fill up with unhealthy cholesterol, they secrete a protein called netrin-1.

Sometimes Corrie would fill up with tears, hiding her face against him.

News & Media

The New Yorker

The room starts to fill up with performers at tonight's extravaganza.

News & Media

Independent

They can fill up with petrol, ethanol (alcohol) or any combination of the two.

News & Media

The Economist

Surfaces fill up with fat lozenge and chevron shapes that melt and ooze, Dalí-clock style.

Wine cellars fill up with wine that will never be drunk.

News & Media

The New Yorker
Show more...

Expert writing Tips

Best practice

When using "fill up with", ensure the object being filled and the substance filling it are clearly defined to avoid ambiguity. For instance, specify "fill the glass up with water" instead of just "fill up with water".

Common error

While acceptable, "fill up with" can sound informal. In formal writing, consider stronger verbs or nouns that convey fullness or saturation more precisely. For example, instead of "The report filled up with data", try "The report was replete with data".

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

82%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The primary grammatical function of "fill up with" is a phrasal verb, serving as a transitive verb that requires a direct object. It describes the action of making something full of something else. Ludwig AI confirms that this phrase is grammatically correct and in wide usage.

Expression frequency: Very common

Frequent in

News & Media

46%

Wiki

24%

Science

8%

Less common in

Formal & Business

6%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

"Fill up with" is a common and grammatically sound phrasal verb used to describe the act of making something full, as confirmed by Ludwig AI. Predominantly found in news and media, as well as wiki content, it serves to communicate the completion of an object or space with a particular substance or content. While its register is generally neutral, more formal contexts might benefit from more precise alternatives. When using "fill up with", ensure clarity regarding what is being filled and with what substance. Be cautious of overusing it in formal writing where more sophisticated vocabulary could enhance the text. Ludwig’s examples demonstrate its versatility across various scenarios, from literal fillings to figurative ones.

FAQs

How is "fill up with" used in a sentence?

"Fill up with" indicates the action of making something full. For example, "Fill up with gas before the long drive", or "The room started to "fill up with" people".

What are some synonyms for "fill up with"?

Alternatives include "become full of", "be filled with", or "brim with", depending on the context.

Is "fill up with" formal or informal?

"Fill up with" is generally considered neutral and can be used in both formal and informal contexts, although more formal alternatives might be preferred in academic or professional writing. However, remember to evaluate the context and choose the most appropriate phrase.

What's the difference between "fill up with" and "filled with"?

"Fill up with" describes the action of making something full, whereas "filled with" describes the state of being full. For instance, "I will fill up the tank with gas" (action), vs. "The tank is filled with gas" (state).

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

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.

Source & Trust

82%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: