(かくだん)

かくだんに
adverb
remarkably; significantly; by far
formaldescriptive
1. remarkably; significantly; noticeably; by far
To a degree that is clearly distinguishable from the previous state or from other things being compared. Emphasizes that the difference is substantial.
技術(ぎじゅつ)格段(かくだん)()がった
My skills have improved remarkably.
I got significantly better grades than last year.
Smartphone performance has improved dramatically compared to ten years ago.

Typically modifies verbs or adjectives that describe improvement, difference, or change. Almost always implies a positive or upward change.

Common collocations

Usage

格段(かくだん)に emphasizes that the gap or improvement is not merely slight but clearly noticeable. It is slightly more formal than ずっと or はるか, and is common in written Japanese and formal speech.