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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
I doubted that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The part of a sentence "I doubted that" is correct and usable in written English.
You can use it when you want to express uncertainty or disbelief about something. Example: After hearing the news, I doubted that it was true.
✓ Grammatically correct
News & Media
Academia
Alternative expressions(19)
I questioned that
I was skeptical of that
I took that with a grain of salt
I challenged that
I worried that
I believed that
I suspected that
I wondered that
I denied that
I knew that
I challenge that
I bet that
I met that
I tweeted that
I earned that
I took that
I found that
I was questioning that
I was dubious about that
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
45 human-written examples
I said I doubted that was true.
News & Media
I doubted that; he seemed older, somehow.
News & Media
I told him I doubted that would be a problem.
News & Media
If there was ever a moment when I doubted that would be the case, then we would have made some changes.
News & Media
But I doubted that was causing of the outrage.
News & Media
I said I doubted that very much.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
15 human-written examples
I doubt that very much.
News & Media
I doubt that will change".
News & Media
I doubt that would happen.
News & Media
"Well, I doubt that".
News & Media
Rust: "I doubt that".
News & Media
Expert writing Tips
Best practice
Use "I doubted that" to express a polite disagreement or skepticism without being confrontational. It's suitable for both formal and informal settings.
Common error
While expressing doubt is valid, avoid overuse in argumentative pieces. Instead, provide specific evidence or reasoning to support your skepticism for a stronger argument.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I doubted that" functions as an independent clause expressing the speaker's skepticism or disbelief regarding a previous statement or situation. According to Ludwig AI, it's considered grammatically correct and usable in written English.
Frequent in
News & Media
76%
Academia
12%
Formal & Business
6%
Less common in
Science
3%
Encyclopedias
1%
Reference
1%
Ludwig's WRAP-UP
In summary, "I doubted that" is a versatile phrase used to express skepticism or disbelief, suitable for both formal and informal communication. Ludwig AI confirms its grammatical correctness and usability. While common across various sources, it appears most frequently in news and media. When writing, use it to politely express disagreement or uncertainty, but avoid overuse in argumentative writing; instead, support your skepticism with evidence. Consider alternatives such as "I questioned that" or "I wasn't convinced of that" to add nuance to your expression.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I questioned that
Emphasizes the act of questioning the validity or truth of something.
I was skeptical of that
Highlights a general feeling of doubt or disbelief.
I found that hard to believe
Indicates difficulty in accepting something as true.
I wasn't convinced of that
Focuses on a lack of persuasion or certainty.
I took that with a grain of salt
Suggests caution in accepting something at face value.
I had my reservations about that
Implies underlying doubts or hesitations.
I wasn't sure about that
Expresses uncertainty or a lack of confidence.
I couldn't be sure of that
Highlights an inability to confirm or verify something.
I challenged that
Expresses a direct confrontation or questioning of a statement.
I disbelieved that
Emphasizes a strong feeling of disbelief.
FAQs
How can I use "I doubted that" in a sentence?
Use "I doubted that" to express uncertainty or disbelief about a previous statement or situation. For example: "He said he could finish the project in a day; I doubted that."
What are some alternatives to "I doubted that"?
You can use alternatives like "I questioned that", "I was skeptical of that", or "I wasn't convinced of that" depending on the context.
Is "I doubted that" formal or informal?
"I doubted that" is suitable for both formal and informal contexts, making it a versatile phrase to express skepticism.
What's the difference between "I doubted that" and "I didn't believe that"?
"I doubted that" implies a degree of uncertainty or skepticism, while "I didn't believe that" suggests a stronger conviction of disbelief. "I doubted that" can be a more polite way to express disagreement.
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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
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested