一層

• 読み: いっそう
• ローマ字: issou
• 漢字の分解: 一 (ichi/itsu) — one; 層 (sou) — layer, storey
• 発音: /i.ssoː/

意味

Much more; still more; all the more. Emphasises an increase in degree or intensity.

An adverb used to express that something increases beyond its current state. Often appears in comparisons or when describing escalation (雨が一層激しくなった, the rain intensified even more). More formal than もっと and frequently found in written Japanese and speeches.

例文

1. 秋になって景色が一層美しくなった。
2. この経験で彼は一層成長するだろう。
3. 努力すれば一層よい結果が出るはずだ。

使い方ガイド

場面: literature, speeches, essays

トーン: emphatic

起源と歴史

Compound of 一 (ichi/issou, one) and 層 (sou, layer/storey). Literally 'one more layer,' conveying the image of adding another level of intensity or degree.

文化的背景

時代: Classical

世代: All ages

社会的背景: Universal