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
this is definitely true
Grammar usage guide and real-world examplesUSAGE SUMMARY
"this is definitely true" is a correct and usable phrase in written English.
You can use it to emphasize a point you are making or to affirm that something is indeed true. For example: I want to make sure that everyone understands this – this is definitely true – you need to brush your teeth twice a day to maintain healthy teeth and gums.
✓ Grammatically correct
Academia
News & Media
Science
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
19 human-written examples
This is definitely true for feedback.
Academia
This is definitely true of all text data if you count the latent linguistic structure of human languages.
Academia
This is definitely true compared to, say, a Velcro approach where the design calls for the use of multiple radios employing multiple chipsets and platforms to support the various applications.
In "The Poet's Religion," Tagore writes, "Our needs are always in a hurry". This is definitely true in today's instantly connected society, where we place high value on being busy and actively seeking out the next big thing.
When it comes to coffee quantities, this is definitely true: the new system can brew a single cup using a K-Cup pack or a four-cup carafe of coffee using the new Keurig K-Carafe pack.
News & Media
When my next-door neighbour, Docter Noel Zone hears "summer", the word he thinks of is "AAAGH!" That's because he is the world's leading DANGEROLOGIST (this is definitely true because he invented the word "DANGEROLOGIST" – and "Docter") and where you see fun or adventure in the world he just sees awful things happening.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
41 human-written examples
This was definitely true in Connecticut, where female support for the male Democratic Senate candidate Richard Blumenthal helped him beat the female Republican candidate Linda McMahon.
News & Media
"This one is definitely true," he said, "because my friend was the interpreter!" Back in 2004, an officer at Kandahar Airfield hired a group of local residents to do some manual labor.
News & Media
This notion is definitely true, so I really like that we can help teams get to market in a matter of days as opposed to months.
News & Media
That is definitely true.
News & Media
That is definitely true, Alex.
News & Media
Expert writing Tips
Best practice
Use "this is definitely true" to emphatically confirm a statement, especially when addressing potential doubts or misunderstandings. For example: "The data clearly supports this conclusion – "this is definitely true" – and warrants further investigation."
Common error
Avoid using "this is definitely true" repeatedly in close succession; it can sound redundant or diminish the impact of your affirmation. Instead, vary your language with synonyms or more descriptive confirmations.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "this is definitely true" functions as an affirmative statement, used to express strong agreement or confirmation of a fact or opinion. It emphasizes the speaker's certainty about the truthfulness of the preceding statement. As Ludwig AI suggests, it’s useful for clarity and emphasis.
Frequent in
News & Media
40%
Science
30%
Academia
30%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "this is definitely true" is a grammatically correct and usable expression that conveys strong affirmation or agreement. Ludwig AI confirms its validity. It is most frequently found in News & Media, Science and Academia, and serves to reinforce claims and eliminate doubt. While versatile, it's best used judiciously to avoid redundancy and maintain impact. Consider alternatives like "that is absolutely right" or "indeed that's true" to vary your language.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Indeed, that's true
Adds "indeed" for emphasis while maintaining a similar structure.
That's undeniably true
Substitutes "definitely" with "undeniably" for stronger emphasis on the truth.
That's absolutely right
Replaces "definitely true" with "absolutely right" to convey strong agreement.
It's unquestionably true
Uses "unquestionably" to emphasize the lack of doubt about the truth.
That's certainly the case
Replaces "this is" with "that's" and uses "certainly" for a similar level of emphasis.
I couldn't agree more
Indicates strong agreement by stating an inability to agree any further.
That's without a doubt true
Expresses certainty by stating the truth is "without a doubt".
That's verifiably correct
Highlights the fact that something can be verified, emphasizing the truth.
I concur wholeheartedly
Formally expresses complete agreement, replacing the original phrase's directness.
That's spot on
Informally affirms accuracy and truth.
FAQs
How can I use "this is definitely true" in a sentence?
You can use "this is definitely true" to strongly affirm a statement, often to emphasize agreement or highlight a fact. For example, "The research confirms our hypothesis – "this is definitely true" – and opens new avenues for exploration."
What are some alternatives to "this is definitely true"?
You can use alternatives like "that is absolutely right", "that is undeniably true", or "indeed that's true" to express similar agreement or confirmation.
Is there a difference between "this is definitely true" and "this is probably true"?
"This is definitely true" expresses certainty and strong conviction, while "this is probably true" indicates a degree of uncertainty or likelihood, not a confirmed fact. Therefore, the alternative "this is probably true" implies a lower degree of confidence.
When is it appropriate to use "this is definitely true" in writing?
It's appropriate to use "this is definitely true" when you want to strongly affirm a statement and leave no room for doubt. Use it sparingly to emphasize key points and reinforce your argument. Otherwise, it may be better to say "that's certainly the case".
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested