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
it is so
Grammar usage guide and real-world examplesUSAGE SUMMARY
"it is so" is a correct and usable phrase in written English.
It is often used to express agreement or confirmation of a point or situation. For example: "I'm so excited to see the new Star Wars movie!" "It is so!".
✓ Grammatically correct
News & Media
Science
Academia
Formal & Business
Wiki
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
40 human-written examples
"It is so sweeping.
News & Media
"It is so sad".
News & Media
It is so shortsighted.
News & Media
It is so.
News & Media
It is so simple".
News & Media
"It is so congested.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
20 human-written examples
"It's so unpredictable.
News & Media
"It was so hectic.
News & Media
"It was so bittersweet.
News & Media
"It's so disturbing.
News & Media
It's so bumpy".
News & Media
Expert writing Tips
Best practice
Use "it is so" to provide a simple, direct confirmation or agreement. It's particularly effective in dialogue or informal writing.
Common error
Avoid using "it is so" excessively in formal writing. While grammatically correct, overuse can make your writing sound repetitive or simplistic. Opt for more varied and descriptive language to maintain reader engagement.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
Confirmation and Agreement: "It is so" primarily functions as a declarative phrase to confirm or agree with a preceding statement. Ludwig examples showcase its use in various contexts, reinforcing agreement or emphasizing a point. Ludwig AI indicates its grammatical correctness.
Frequent in
News & Media
58%
Science
20%
Academia
12%
Less common in
Formal & Business
5%
Wiki
5%
Reference
0%
Ludwig's WRAP-UP
In summary, "it is so" is a grammatically sound phrase used for confirming or agreeing with a statement. Ludwig AI confirms its correctness, and Ludwig's examples illustrate its common usage across varied contexts, especially in News & Media. While generally neutral in register, it's best to avoid overuse in highly formal writing to maintain stylistic diversity. Alternative phrases like "that's right" or "it is indeed" can add nuance depending on the situation. Overall, understanding its appropriate use enhances clear communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it's true
This alternative simply states the truth of a matter.
that is so
This alternative reverses the order of words for emphasis.
that's right
This alternative is a direct affirmation or agreement with a previous statement.
yes, it is
This alternative adds a direct affirmation with "yes".
it is indeed
This alternative is slightly more formal and adds emphasis to the affirmation.
that's correct
This alternative confirms the accuracy of something.
that is the case
This alternative is more formal and emphasizes the truth or reality of a situation.
so it is
This alternative inverts the structure for emphasis, often used rhetorically.
that's how it is
This alternative implies acceptance of a situation, often with a sense of resignation.
that's the truth
This alternative stresses the veracity of a statement.
FAQs
How can I use "it is so" in a sentence?
Use "it is so" to confirm or agree with a statement. For example, if someone says, "The weather is beautiful today", you can respond, "It is so!" to express your agreement.
What's the difference between "it's true" and "it is so"?
"It is so" is often used for emphasis or agreement in response to a statement, while "it's true" is a more general statement of fact. The phrases are similar but not always interchangeable.
What are some alternatives to "it is so"?
Alternatives include "that's right", "it is indeed", and "that is the case", depending on the level of formality and the context.
Is "it is so" formal or informal?
"It is so" leans towards the informal side but can be used in neutral contexts. It's generally suitable for conversations and less formal writing.
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
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested