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

that's interesting
Grammar usage guide and real-world examples

Alternative expressions(5)

that's fascinating

that's quite interesting

how interesting

that's remarkable

i find that interesting

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

54 human-written examples

Oh that's interesting.

News & Media

The Guardian

KB: oh that's interesting.

News & Media

Huffington Post

That's interesting.

News & Media

The New York Times

STRATEGIST 1: That's interesting.

News & Media

The New Yorker

"Well, that's interesting".

News & Media

The New York Times

10 47: That's interesting.

News & Media

The Economist

Human-verified similar examples from authoritative sources

Similar Expressions

6 human-written examples

Wow that was interesting.

News & Media

The New York Times

Well, uh, that was interesting.

News & Media

The New Yorker

It was the contents that were interesting.

News & Media

The New York Times

Say things that are interesting.

Wiki

WikiHow

Choose classes that are interesting to you.

Wiki

WikiHow

Expert writing Tips

Best practice

In professional settings, follow "that's interesting" with a question to show active listening and engagement with the speaker.

Common error

Relying too heavily on "that's interesting" can make you sound unoriginal or insincere. Vary your responses with more specific feedback to show genuine engagement.

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

88%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The primary grammatical function of the phrase "that's interesting" is as an interjection or a comment. It expresses a reaction to a statement or situation. As shown by Ludwig, the phrase serves as a conversational device to acknowledge or show mild curiosity.

Expression frequency: Very common

Frequent in

News & Media

65%

Wiki

15%

Formal & Business

10%

Less common in

Science

Encyclopedias

Social Media

Ludwig's WRAP-UP

In summary, "that's interesting" is a versatile phrase used for acknowledging information and signaling engagement. As Ludwig AI highlights, its grammatical function is that of an interjection or comment. With a neutral register, it fits seamlessly into various contexts, from casual chats to professional discussions. While very common, avoid overuse to maintain originality. Alternatives like "that's noteworthy" or "that's fascinating" can add nuance, and following up with a relevant question enhances engagement.

More alternative expressions(10)

Phrases that express similar concepts, ordered by semantic similarity:

that's quite interesting

Adds emphasis to the level of interest.

how interesting

A more concise and direct expression of interest.

that's fascinating

Conveys a stronger sense of captivation and intrigue.

that's curious

Suggests a sense of puzzlement or oddity alongside interest.

that's noteworthy

Highlights the importance or significance of the information.

that's remarkable

Emphasizes the extraordinary or exceptional nature of the subject.

that's thought-provoking

Indicates that the subject inspires deeper consideration or reflection.

that's revealing

Suggests that the subject uncovers something previously unknown.

that's an interesting point

Acknowledges the validity and relevance of a particular argument or perspective.

i find that interesting

Shifts the focus to a personal assessment of the subject's intrigue.

FAQs

What does "that's interesting" imply?

The phrase "that's interesting" typically implies mild surprise, curiosity, or simple acknowledgment of information. It doesn't always express strong enthusiasm, but rather a neutral recognition.

When is it appropriate to use "that's interesting"?

It's appropriate in casual conversations, professional settings, or any situation where you want to acknowledge information without necessarily agreeing or disagreeing. It's a safe and neutral response.

What can I say instead of "that's interesting" in a formal setting?

In formal settings, consider alternatives like "that's noteworthy", "that's an interesting point", or "that's revealing" to convey a more sophisticated response.

How can I make my response more engaging than just saying "that's interesting"?

Follow up with a related question or a personal anecdote to show genuine interest. For instance, after hearing something new, you might say, "That's interesting, can you tell me more about it?"

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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

Most frequent sentences:

1-200 1k 2k 3k 4k 5k 7k 10k 20k 40k 100k 200k 500k 0m-3 0m-4 1m-1 1m-2 1m-3 1m-4

that's interestingGrammar usage guide and real-world examples

that's interesting
Grammar usage guide and real-world examples