not at all [ˈnɑɾəˈɾɔɫ]exclamation 2adverb 1 exclamation2 •(UK) A conventional reply to an expression of gratitude.—Thank you for coming. —Not at all. Thank you for having me. •Don't worry about it (response to worry or an apology) adverb1 •Not even a tiny bit; not in any way.He's not at all friendly towards his ex-wife.
