Cool MateDefinitely vs Yes yes
When to use each in English, with meaning, register, and examples.
Definitely
Top 1,000 (very common)A2adverb
Yes yes
InformalTop 2,000 (common)
Most formal: DefinitelyMost common: Definitely
| Definitely | Yes yes | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ˈdefɪnətli/"]/🇺🇸 /["/ˈdefɪnətli/"]/ | 🇬🇧 //jɛs jɛs//🇺🇸 //jɛs jɛs// |
| Meaning | For sure, without a doubt | A way to agree or show excitement. |
| Example | I definitely remember sending the letter. | When she said the event was postponed, I replied, 'yes yes!' because it meant more time to prepare. |
| Register | Neutral | Informal |
| How common | Top 1,000 (very common) | Top 2,000 (common) |
| CEFR level | A2 | - |
| Part of speech | adverb | |
| Collocations | definitely agree, definitely believe, definitely know | yes yes moment, say yes yes, yes yes response |
| Antonyms | doubtfully, uncertainly | - |
| Common mistakes | Often confused with 'defiantly' which means resisting authority., Sometimes spelled incorrectly as 'definately'. | Using 'yes yes' in formal emails or speeches., Assuming 'yes yes' can replace 'yes' in all situations., Not considering tone and context when saying 'yes yes'. |
| Usage notes | Use 'definitely' to emphasize certainty. It fits well in both spoken and written English. Avoid using it in overly formal contexts where alternatives like 'certainly' might be more suitable. | Used in casual conversations to express strong agreement or enthusiasm. Avoid in formal settings. |
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Frequently asked questions: Definitely vs Yes yes
What's the difference between Definitely and Yes yes?
Definitely: For sure, without a doubt Yes yes: A way to agree or show excitement.
Which is more formal: Definitely and Yes yes?
Definitely is the most formal of these.
Which is more common: Definitely and Yes yes?
Definitely is the most common in everyday English.
Can you show an example of each?
Definitely: I definitely remember sending the letter. Yes yes: When she said the event was postponed, I replied, 'yes yes!' because it meant more time to prepare.
Can I use Definitely and Yes yes interchangeably?
Not always. Definitely and Yes yes are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.