(いた)って

いたって
adverb
very, extremely
formal
1. very, extremely, exceedingly, perfectly
Used to emphasize degree, often with adjectives describing normalcy or simplicity. Has a somewhat formal or literary tone.
(いた)って健康(けんこう)です。
I'm perfectly healthy.
(かれ)(いた)って真面目(まじめ)(ひと)だ。
He is an extremely serious person.
The work is progressing extremely smoothly.

(いた)って is a formal adverb meaning "very" or "extremely," derived from the verb (いた) (to reach the utmost). It typically modifies adjectives describing normalcy, health, or simplicity, emphasizing that the state is thorough or complete.

Common collocations

Usage

Unlike とても or 非常(ひじょう), which are general intensifiers, (いた)って tends to emphasize that something is in an ideal or thoroughly normal state. It often appears with positive or neutral adjectives.

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Formal or semi-formal. More common in written language, news reports, and polite speech than in casual conversation.