not at all
Pronunciation:
[ˈnɒ.ɾəˈɾɔːɫ]/nɑʔ.æʔ.ɔl/adverb
Definitions
Not in the least.
Example: He's not at all friendly towards his ex-wife.
interjection
Definitions
Used similarly to you're welcome, as a conventional reply to an expression of gratitude.
Example: Thank you for this very thoughtful present. — Not at all.