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

I guess so

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "I guess so" is correct and usable in written English.
It can be used to express uncertainty or a lack of strong conviction about a statement or situation. Example: "Do you think we will finish the project on time? I guess so, but it will be tight."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Again, I guess so.

News & Media

The New Yorker

Okay, I guess so.

News & Media

Independent

"I guess so," another replied.

News & Media

The New Yorker

"He'd aged?" "I guess so.

News & Media

The New Yorker

So I guess so, yes.

News & Media

The New Yorker

"You bet!" "I guess so".

News & Media

The New Yorker

"I guess so," Trusdale said.

News & Media

The New Yorker

"I guess so," Fish says.

News & Media

The New Yorker

I said, "I guess so.

News & Media

The New Yorker

I guess so, Gary.

GONDRY -- I guess so.

Show more...

Expert writing Tips

Best practice

Use "I guess so" to express mild agreement or acceptance when you don't have strong feelings or definitive knowledge about something. It's appropriate in informal settings, but consider more assertive alternatives if you want to convey confidence.

Common error

Avoid using "I guess so" in professional or academic writing where a more confident or informed response is expected. Opt for phrases like "I believe so" or "It is likely" to maintain a professional tone.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

94%

Authority and reliability

4.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "I guess so" functions as an interjection or response to a question or statement, indicating a degree of uncertainty or reluctant agreement. As noted by Ludwig, the phrase is grammatically correct. It doesn't express strong conviction.

Expression frequency: Very common

Frequent in

News & Media

100%

Less common in

Formal & Business

0%

Science

0%

Academia

0%

Ludwig's WRAP-UP

In summary, the phrase "I guess so" is a common and grammatically correct expression used to indicate mild agreement, acceptance, or uncertainty. According to Ludwig, it is most frequently found in News & Media. While versatile, its informal tone means it should be used cautiously in formal or professional contexts where more assertive language is preferred. Consider alternatives like "I think so" or "I suppose so" to better suit the situation.

FAQs

How can I use "I guess so" in a sentence?

"I guess so" is used to express reluctant agreement or uncertainty. For example, "Do you think it will rain tomorrow? I guess so, the sky looks cloudy".

What are some alternatives to "I guess so"?

Alternatives include "I think so", "I suppose so", or "I imagine so", depending on the context and the degree of certainty you want to convey.

Is "I guess so" formal or informal?

"I guess so" is generally considered informal. In more formal settings, it's better to use phrases like "I believe so" or "It is likely".

When is it appropriate to use "I guess so"?

It's appropriate to use "I guess so" when you want to express mild agreement or acceptance without strong conviction. It's commonly used in casual conversations.

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

94%

Authority and reliability

4.8/5

Expert rating

Real-world application tested

Most frequent sentences: