American Dictionary

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Definition definitely in American English

definitely adverb

adverb
/ˈdefənɪtli/
1

without any doubt

Example

Your dessert is definitely the best one here.

Example

That's definitely not the man I saw running away.

Synonyms and related words
2

used for emphasizing that you mean "yes"

Example

"So we'll see you on Sunday at 7:00?" "Definitely!"

Synonyms and related words
Definition definitely in American English