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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
without doubt
Grammar usage guide and real-world examplesUSAGE SUMMARY
"without doubt" is a perfectly acceptable phrase to use in written English.
You can use it to emphasize that you are certain about something. For example: "Without doubt, this is the best decision I could have made."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
"Without doubt, foreigners".
News & Media
Surrealism was without doubt sexy.
News & Media
Without doubt, it should.
News & Media
Rickie Lambert, without doubt.
News & Media
That's without doubt.
News & Media
Yes, without doubt.
News & Media
Leo Messi, without doubt.
News & Media
Without doubt, lobbyists need access to politicians.
News & Media
Without doubt, then, this statement is false.
News & Media
Without doubt it is the most political.
News & Media
Without doubt, chavismo will outlive its founder.
News & Media
Expert writing Tips
Best practice
Use "without doubt" to emphasize a point you are absolutely sure about, but be mindful of overuse, as it can weaken your writing if used excessively.
Common error
While "without doubt" is acceptable in most contexts, excessive use can make your writing sound overly formal or stiff. Consider using more casual alternatives like "definitely" or "certainly" in informal settings.
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "without doubt" functions as an adverbial phrase, modifying a verb or clause to express certainty or conviction. It is used to strengthen the assertion being made, similar to other adverbs of certainty.
Frequent in
News & Media
60%
Science
20%
Formal & Business
10%
Less common in
Academia
5%
Encyclopedias
3%
Wiki
2%
Ludwig's WRAP-UP
In summary, "without doubt" is a versatile phrase used to express strong certainty in a statement. As Ludwig AI states, it is a perfectly acceptable phrase to use in written English. While grammatically correct and widely used across various contexts, it is important to consider the level of formality and avoid overuse. Alternatives such as "certainly", "definitely", or "indubitably" can provide nuance and prevent repetition. Keep in mind the appropriate context for your writing and utilize "without doubt" strategically to emphasize your points effectively.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
without a doubt
A variant of the original phrase, nearly identical in meaning.
indubitably
A more formal and emphatic synonym, implying that something is unquestionable.
unquestionably
Emphasizes the lack of grounds for questioning the statement.
undeniably
Highlights the irrefutable nature of the statement.
certainly
A common synonym expressing assurance and conviction.
definitely
Another common synonym indicating a firm belief in something.
assuredly
A more formal synonym conveying a strong sense of confidence.
beyond question
Emphasizes that something is not open to debate or doubt.
unmistakably
Implies that something is easily recognizable and leaves no room for error.
positively
Expresses a confident and affirmative assertion.
FAQs
How can I use "without doubt" in a sentence?
"Without doubt" is typically used to emphasize the truth or certainty of a statement. For example, "Without doubt, this is the best approach to the problem".
What are some alternatives to saying "without doubt"?
You can use alternatives such as "indubitably", "unquestionably", or "certainly" depending on the context.
Is there a difference between "without doubt" and "without a doubt"?
The phrases "without doubt" and "without a doubt" are nearly interchangeable and carry the same meaning. Both emphasize certainty.
In what kind of writing is it appropriate to use "without doubt"?
"Without doubt" can be used in a variety of writing contexts, from formal reports to news articles. It is generally suitable when you want to convey a strong sense of conviction about a statement, although alternatives might be preferred in very informal settings.
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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
4.6/5
Expert rating
Real-world application tested