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
was so
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "was so" is correct and usable in written English.
It can be used to emphasize a degree of something, often in expressions of emotion or intensity. Example: "She was so happy to receive the award that she couldn't stop smiling."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(5)
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
60 human-written examples
She was so — she was so good.
Academia
Binny was so excited.
News & Media
It was so confusing.
News & Media
He was so upset.
News & Media
Everyone was so nice.
News & Media
He was so brave.
News & Media
"I was so alone".
News & Media
Duchamp was so light".
News & Media
It was so romantic.
News & Media
Arguably this was so.
News & Media
It was so underhanded".
News & Media
Expert writing Tips
Best practice
Use "was so" to add emphasis or express emotion effectively. It works well in descriptive writing and personal anecdotes. For instance, "The sunset was so beautiful that it took my breath away".
Common error
While "was so" is acceptable in many contexts, avoid overusing it in formal or academic writing. Consider using more precise and sophisticated vocabulary to convey your meaning. For instance, instead of "The experiment was so successful", write "The experiment yielded remarkably positive results".
Source & Trust
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "was so" primarily functions as an intensifier, modifying an adjective to indicate a high degree of the quality being described. As Ludwig AI indicates, it's a common way to express emphasis or emotion. It is often used to set the stage for a result or consequence, enhancing the descriptive power of a statement.
Frequent in
News & Media
60%
Academia
25%
Wiki
10%
Less common in
Science
1%
Formal & Business
1%
Reference
3%
Ludwig's WRAP-UP
In summary, the phrase "was so" is a grammatically sound and widely used construction to intensify adjectives and adverbs, conveying a sense of degree or consequence. As Ludwig AI confirms, its usage is correct and versatile, spanning various contexts from news reporting to personal narratives. While perfectly acceptable for expressing emphasis, it's worth noting that more formal alternatives like "extremely" or "remarkably" may be preferred in academic or professional settings. It's commonly found in News & Media and Academia, with a slightly informal tone. Therefore, use "was so" effectively to add color and emotion to your writing, but be mindful of your audience and the desired level of formality.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
was very
A simpler and more direct substitute for "was so", offering a similar level of intensity.
was extremely
Replaces "so" with a more formal intensifier, increasing the degree of emphasis.
was incredibly
Highlights the unbelievable or astonishing aspect of the quality being described.
was remarkably
Suggests a higher degree of surprise or astonishment than "was so".
was deeply
Expresses a profound or heartfelt quality.
was exceptionally
Implies a deviation from the norm, indicating something is notably different or superior.
was intensely
Highlights the strength and force of a feeling or quality.
was particularly
Emphasizes a specific instance or aspect of a quality.
was astonishingly
Conveys a strong sense of wonder and surprise.
was unusually
Indicates that something is different from what is typically expected.
FAQs
How can I rephrase "was so" to sound more formal?
In formal contexts, consider alternatives like "was extremely", "was remarkably", or "was exceptionally" to convey a similar meaning with greater sophistication.
Is it grammatically correct to use "was so" in a sentence?
Yes, using "was so" in a sentence is grammatically correct and commonly used to emphasize a quality or feeling. For example, "He was so happy to see his family" is perfectly acceptable.
What's the difference between "was so" and "was very"?
While both "was so" and "was very" can be used to express intensity, "was so" often implies a consequence or result. For example, "It was so cold that the lake froze over" suggests the cold led to the lake freezing, whereas "It was very cold" simply describes the temperature.
When is it appropriate to use "was so" in writing?
It's appropriate to use "was so" in informal writing, personal narratives, and descriptive passages where you want to emphasize a particular quality or emotion. However, consider more formal alternatives in academic or professional contexts.
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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
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested