快い

• 読み: こころよい
• ローマ字: kokoroyoi
• 漢字の分解: 快 (kai/kokoroyoi) — pleasant, cheerful, comfortable
• 発音: /ko.ko.ɾo.jo.i/

意味

Pleasant; agreeable; comfortable; refreshing. Describes a feeling of genuine satisfaction or agreeableness.

An i-adjective describing something that brings a feeling of genuine pleasure or comfort. Can describe physical sensations (a refreshing wind), emotions (pleasant feeling), or a person's willingness to help (快く引き受ける — to willingly accept). The adverb form 快く (kokoroyoku) is particularly common and means 'willingly, gladly, readily.' More literary than 気持ちいい but used in everyday speech, especially in the adverb form.

例文

1. 彼は快く申し出を引き受けてくれた。
2. 快い疲労感を感じながら帰路についた。
3. 朝の快い空気を吸い込んだ。

使い方ガイド

場面: daily life, interpersonal, nature

トーン: pleasant

起源と歴史

From 快 (kai/kokoroyoi, pleasant/cheerful). The kanji 快 combines 忄 (heart radical) and 夬 (decisive), suggesting a heart that is clear and unburdened — free of discomfort or hesitation.

文化的背景

時代: Classical

世代: All ages

社会的背景: Universal