I definitely

USAGE SUMMARY

The phrase "I definitely" is correct and usable in written English.
You can use it to express strong certainty or affirmation about something. Example: "I definitely believe that we will succeed in this project."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

"I definitely do now.

The New Yorker

I definitely think that.

The New York Times - Sports

I definitely eat breakfast.

The New York Times - Magazine

"I definitely needed insulation".

The New Yorker

I definitely have.

The New York Times

I definitely found paradise".

The New York Times - Sports

I definitely feel old".

The New York Times

I definitely enjoyed that".

The New York Times - Sports

I definitely did!

The New York Times - Tech

"I definitely regret it.

The New York Times - Sports

"I definitely would.

The New York Times - Sports

Expert writing Tips

Best practice

When aiming for a more formal tone, consider alternatives like "I certainly" or "I absolutely" to maintain a professional register.

Common error

While "I definitely" is acceptable in many contexts, overuse in formal writing can make your tone sound less professional. Vary your language by using alternatives such as "I certainly believe" or "I strongly agree" for a more sophisticated style.

Linguistic Context

The phrase "I definitely" functions as an emphatic affirmative. It is used to express strong agreement, confirmation, or conviction regarding a statement or action. As Ludwig AI suggests, the phrase is usable in written English.

Expression frequency: Very common

Frequent in

News & Media

68%

Science

17%

Formal & Business

8%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "I definitely" is a common and grammatically correct way to express strong agreement or certainty. Ludwig AI confirms its usability, highlighting its neutral register that suits diverse contexts like news, media, and casual conversation. While versatile, writers should be mindful of overusing it in formal contexts, where alternatives like "I certainly" or "I absolutely" might be more appropriate. Overall, "I definitely" serves as a robust tool for conveying conviction in various forms of communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

I certainly

Replaces "definitely" with "certainly", maintaining a high degree of confidence.

I absolutely

Substitutes "definitely" with "absolutely", emphasizing a complete affirmation.

I surely

Uses "surely" instead of "definitely", conveying confidence.

I undoubtedly

Employs "undoubtedly" to express a lack of doubt.

I clearly

Indicates that something is obvious to the speaker.

I truly

Expresses a sincere agreement or belief.

I really

Replaces "definitely" with "really", softening the tone slightly.

I emphatically

Conveys a strong and forceful affirmation.

Without a doubt, I

Adds "without a doubt" to emphasize certainty.

I can affirm that

Uses a more formal structure to express confirmation.

FAQs

How can I use "I definitely" in a sentence?

"I definitely" is used to express strong certainty or agreement. For example, "I definitely think so" or "I definitely agree".

What are some alternatives to "I definitely"?

Alternatives include phrases like "I certainly", "I absolutely", or "I undoubtedly", which convey similar meanings with slightly different tones.

Is it okay to use "I definitely" in formal writing?

While grammatically correct, "I definitely" might sound informal in some contexts. Consider using more formal alternatives like "I certainly believe" or "I strongly agree" for a more professional tone.

What's the difference between "I definitely" and "I really"?

"I definitely" expresses a stronger degree of certainty than "I really". While both convey agreement or affirmation, "I definitely" indicates a firmer conviction.