遺憾なく

• 読み: いかんなく
• ローマ字: ikannaku
• 漢字の分解: 遺 (i) — leave behind; 憾 (kan) — regret
• 発音: /i.kaɴ.na.kɯ/

意味

Fully; to the utmost; completely; without reserve. Used to describe doing something to its fullest extent.

An adverb formed from 遺憾 (regret) + なく (without). Paradoxically, 遺憾なく means 'without leaving any regret' — i.e., fully, completely, without holding back. The phrase 遺憾なく発揮する (to demonstrate to the fullest) is highly common. It is the positive counterpart of the noun 遺憾, meaning performance or expression is so complete that nothing was left undone.

例文

1. 彼は長年の研究成果をこの論文で遺憾なく発揮した。
2. 舞台上で彼女は自らの才能を遺憾なく披露した。
3. チームは持てる力を遺憾なく出し切り、悔いのない試合をした。

使い方ガイド

場面: achievements, performance, speeches, formal writing

トーン: admiring

起源と歴史

Formed from 遺憾 (regret, shortcoming) + なく (without). The logic: if regret means 'something left undone,' then 遺憾なく means 'with nothing left undone' — fully and completely.

文化的背景

時代: Modern

世代: Adult

社会的背景: Educated