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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
i definitely can
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I definitely can" is correct and usable in written English.
You can use it to express certainty or confidence in your ability to do something. Example: "If you need help with the project, I definitely can assist you."
✓ Grammatically correct
News & Media
Sports
Lifestyle
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
22 human-written examples
"I definitely can find another job".
News & Media
I definitely can open the door for black managers.
News & Media
So I definitely can play more consistently and be more mentally stable".
News & Media
"I definitely can see myself being one of the greats in the sport," he said.
News & Media
Gail: Yes, I definitely can imagine him lining up the shoes according to color.
News & Media
"I definitely can see how it could be very useful," he said.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
38 human-written examples
"I definitely think I can," he said.
News & Media
I definitely think I can do those things".
News & Media
"I definitely think we can contend".
News & Media
"I definitely think she can win.
News & Media
"I definitely think I can do a good job for them," Bolt said.
News & Media
Expert writing Tips
Best practice
Use "I definitely can" to clearly and confidently express your ability to perform a task or fulfill a requirement. It's more emphatic than a simple "I can".
Common error
Avoid using "definitely" too frequently in formal writing. While acceptable, overuse can make your tone sound less professional. Opt for alternatives like "certainly" or "assuredly" to maintain a more sophisticated style.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "i definitely can" primarily functions as an affirmative statement expressing a speaker's strong confidence in their ability to perform a particular action. As Ludwig AI confirms, it is grammatically correct and widely used.
Frequent in
News & Media
45%
Sports
20%
Lifestyle
10%
Less common in
Academia
10%
Formal & Business
10%
Science
5%
Ludwig's WRAP-UP
In summary, "i definitely can" is a common and grammatically sound phrase used to express a high degree of confidence in one's ability. According to Ludwig, this phrase is usable in written English and can be used to express certainty or confidence in your ability to do something. While versatile, it's best suited for neutral to informal contexts. For more formal settings, consider alternatives like "I certainly can" or "I absolutely can". The phrase appears frequently in News & Media, Sports, and Lifestyle content. Remember to use it judiciously, especially in professional or academic writing, to maintain an appropriate tone.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
i certainly can
Replaces "definitely" with "certainly", maintaining a high degree of assurance but with a slightly more formal tone.
i absolutely can
Substitutes "definitely" with "absolutely" for emphasis, intensifying the feeling of certainty.
i surely can
Uses "surely" instead of "definitely", suggesting confidence based on expectation or belief.
i undoubtedly can
Replaces "definitely" with "undoubtedly", highlighting the lack of doubt in one's ability.
i have no doubt i can
Expresses certainty by negating doubt, providing a slightly more elaborate construction.
i am confident i can
Shifts the focus to the speaker's confidence, rather than directly emphasizing the ability.
i am sure i can
Uses "sure" to indicate confidence, similar to "certain" but slightly less formal.
i am positive i can
Expresses a strong belief in one's ability, emphasizing a firm conviction.
it is certain that i can
Adds a layer of formality by introducing "it is certain", slightly distancing the speaker from the statement.
i am able to
Omits the adverb, focusing on the ability to perform the action.
FAQs
How can I use "i definitely can" in a sentence?
Use "i definitely can" to express strong confidence in your ability to do something. For example, "If you need help with that task, "I definitely can" assist you."
What's a more formal way to say "i definitely can"?
For a more formal tone, you could say "I certainly can" or "I assuredly can". These alternatives convey the same confidence but with a more professional tone.
Is it ever incorrect to use "i definitely can"?
While grammatically correct, using "i definitely can" might sound too informal in very formal or academic writing. Consider the context and audience when choosing your words.
What's the difference between "i definitely can" and "i can"?
The phrase ""I definitely can"" adds emphasis to your ability, expressing a higher degree of certainty than simply saying "I can". It shows stronger confidence.
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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