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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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In sum

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "In sum" is correct and usable in written English.
It is typically used to summarize or conclude a discussion or argument, indicating that what follows is a brief recap of the main points. Example: "In sum, the research indicates that regular exercise significantly improves mental health and overall well-being."

✓ Grammatically correct

News & Media

Encyclopedias

Science

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

In sum: 1.

News & Media

The New York Times

In sum, weep not.

News & Media

The New Yorker

In sum, "Sitting pretty are the boys".

News & Media

The New Yorker

In sum, these people deserved no mercy.

News & Media

Independent

In sum, he trusted people to create.

News & Media

The New York Times

In sum, slow but steady progress.

News & Media

The Economist

In sum, his traits reflect theirs.

In sum, two problems stand out.

News & Media

The New York Times

In sum, Mr Assad still looks doomed.

News & Media

The Economist

In sum, Ravitch highlights a core tension.

News & Media

The New York Times

In sum, she sounds a perfect Democrat.

News & Media

The Economist
Show more...

Expert writing Tips

Best practice

Use "In sum" to clearly signal the beginning of a concluding summary, ensuring your audience understands you're about to recap key points.

Common error

Avoid starting multiple consecutive paragraphs with "In sum". Vary your summarizing phrases to maintain reader engagement.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The primary function of "In sum" is to serve as an adverbial phrase. It modifies the sentence by indicating that what follows is a summary or concise conclusion of previously stated information. Ludwig AI examples show this phrase used to encapsulate arguments, findings, or situations.

Expression frequency: Very common

Frequent in

News & Media

75%

Encyclopedias

10%

Science

5%

Less common in

Formal & Business

3%

Academia

3%

Wiki

2%

Ludwig's WRAP-UP

"In sum" is a versatile adverbial phrase effectively used to introduce a summary or conclusion. Ludwig AI confirms its grammatical correctness and widespread use in varied contexts, particularly in news and media. While suitable for formal and professional settings, it maintains a neutral tone. To enhance writing, remember to use "In sum" strategically to signal a clear conclusion and avoid overuse to maintain reader engagement. Consider alternatives like "to summarize" or "in conclusion" for stylistic variety.

FAQs

How can I use "In sum" in a sentence?

"In sum" is typically used at the beginning of a sentence to introduce a summary or conclusion. For example, "In sum, the experiment confirmed our initial hypothesis."

What are some alternatives to "In sum"?

You can use alternatives such as "to summarize", "in conclusion", or "in short" depending on the desired level of formality.

Is it appropriate to use "In sum" in formal writing?

Yes, "In sum" is appropriate for formal writing, though phrases like "in conclusion" may be preferred in very formal academic contexts.

What is the difference between "In sum" and "to summarize"?

While both introduce a summary, "In sum" acts as a concise transition into the recap, whereas "to summarize" more directly indicates the act of summarizing.

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Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: