What does いたって mean?
いたって is a Japanese noun meaning “very much, exceedingly, extremely” in English. It is written as いたって in hiragana, and itatte in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
私がいたって彼がいうこと聞く訳ないじゃない。
He never hears what I'm trying to say.