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
a big chunk of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'a big chunk of' is correct and usable in written English.
It is a colloquial expression used to refer to a large portion or quantity of something. For example, "I have to finish a big chunk of my project by tomorrow afternoon".
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
a substantial portion of
a significant part of
a considerable amount of
a significant portion
a substantial amount
a large part of
a large segment of
a sizable fraction of
a good deal of
a generous helping of
a considerable chunk of
a big amount of
a big leap of
a big part of
a big priority of
a big plan of
a big pair of
a big fan of
a big sense of
a big show of
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
55 human-written examples
Obamacare closes a big chunk of it.
News & Media
A big chunk of dance-nut manna.
News & Media
Comedy is winning a big chunk of the audience.
News & Media
To most Americans, it is a big chunk of change.
News & Media
A big chunk of his life was missing.
News & Media
"A big chunk of money is allocated to drugs".
News & Media
That takes away a big chunk of your earnings.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
4 human-written examples
Pharmaceutical companies are also responsible for a big chunk of patient-level data [ 11].
That's a big chunk of energy.
News & Media
"We've culturally fallen out of touch with a big chunk of the country," Todd said.
Academia
There's a big chunk of your own biography, too.
News & Media
Expert writing Tips
Best practice
Use "a big chunk of" when you want to emphasize the substantial size or amount of something in a clear and easily understandable way. It is suitable for both tangible and intangible things.
Common error
Avoid using "a big chunk of" in formal or highly professional writing contexts. Opt for more precise and sophisticated language like "a significant portion" or "a substantial amount" to maintain a professional tone.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a big chunk of" functions as a determiner phrase, modifying a noun to indicate a significant portion or quantity. It is commonly used to express that something constitutes a large part of a whole, as seen in Ludwig's examples.
Frequent in
News & Media
79%
Science
13%
Formal & Business
2%
Less common in
Wiki
2%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "a big chunk of" is a common and readily understandable way to express a significant portion or quantity of something. Ludwig AI confirms its correct usage in written English. While versatile, it is best suited for neutral to informal contexts. For formal writing, consider more precise alternatives like "a substantial portion" or "a significant amount". It frequently appears in news and media sources and should be avoided in overly formal settings. Use it when you want to convey a large part in a clear and accessible manner.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a substantial portion of
Replaces "big" with "substantial", indicating a considerable amount, maintaining a similar level of formality.
a significant part of
Substitutes "chunk" with "part", providing a more general term for a portion, suitable for various contexts.
a large segment of
Uses "segment" instead of "chunk", suggesting a distinct section of a whole, implying a structured division.
a considerable amount of
Replaces "chunk" with "amount", focusing on quantity rather than a physical piece, suitable for uncountable nouns.
a sizable fraction of
Employs "fraction" to denote a proportion, indicating a numerical relationship to the whole.
a good deal of
Offers a more informal way to express a large quantity, appropriate for casual conversation.
the lion's share of
An idiomatic expression indicating the largest portion, often implying an unfair distribution.
a major piece of
Uses 'piece' instead of 'chunk' indicating that something is a large component.
a hefty slice of
Employs "slice", suggesting a portion cut from a larger whole, adding a visual element.
a generous helping of
Implies abundance and generosity, often used in the context of food or resources.
FAQs
How can I use "a big chunk of" in a sentence?
You can use "a big chunk of" to describe a significant portion or amount of something. For example, "I spent "a big chunk of my time" reading this book" or "A big chunk of the budget is allocated to marketing".
What are some alternatives to "a big chunk of"?
Some alternatives include "a substantial portion of", "a significant part of", or "a considerable amount of". The best choice depends on the specific context and the level of formality desired.
Is it appropriate to use "a big chunk of" in academic writing?
While grammatically correct, "a big chunk of" is generally considered informal. For academic writing, it's better to use more formal alternatives such as "a significant portion" or "a substantial amount".
What's the difference between "a big chunk of" and "a large part of"?
While similar, "a big chunk of" often implies a more physical or tangible portion, whereas "a large part of" is more general and can refer to abstract concepts as well. Consider the nuance when choosing between "a large part of" and "a big chunk of" to best fit your 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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested