Meaning of いたって in Japanese

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Definition of いたって

いたって(itatte) 【至って】

(adv) very much; exceedingly; extremely
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.

It is duck soup for a carpenter to construct a chicken coop for his son.

祖父は８０を越えていますが、足あしはいたって達者たっしゃです。

My grandfather is over eighty years old, but he is a good walker.

君きみがこの本ほんを書いたって？

You wrote this book?

何年なんねんかしたらする、その考えかんがえが間違っていたって思うおもうかもよ。

You might have to eat those words a few years from now.

Don't fall in love because we hate you still.

It's no crime to skip breakfast once in a while.

Even though it is raining, I don't care at all.