(いちだん)

いちだんと
adverb
even more, all the more, noticeably
1. even more, all the more, noticeably
Indicates that something has increased or improved by a noticeable degree compared to before. Emphasizes a step up from a previous level.
(あき)になって一段(いちだん)(さむ)くなった。
It got noticeably colder when autumn arrived.
練習(れんしゅう)成果(せいか)一段(いちだん)上手(じょうず)になった。
Thanks to practice, she became even more skillful.
ライトアップされた紅葉(こうよう)一段(いちだん)(うつく)しかった。
The illuminated autumn leaves were all the more beautiful.

一段(いちだん)と means "by one step more" and indicates a noticeable increase or improvement compared to a previous state. Typically modifies adjectives or verbs expressing change.

COMPOUND: 一段(いちだん) (one step/level) + と (adverbial particle)

COMMON PATTERNS:

  • 一段(いちだん)(さむ)くなる: to get noticeably colder
  • 一段(いちだん)(うつく)しい: even more beautiful
  • 一段(いちだん)上手(じょうず)になる: to become even more skillful
  • 一段(いちだん)(きび)しくなる: to become even stricter

SIMILAR WORDS:

  • さらに: furthermore, even more (neutral, also used in lists)
  • ますます: more and more, increasingly (emphasizes ongoing progression)
  • いっそう: all the more (slightly more formal, often literary)

The key distinction: 一段(いちだん)と emphasizes a noticeable jump to a higher level, while ますます emphasizes continuous gradual increase.