熱(あつ)い

あつい

i-adjective

hot (objects); passionate; fervent

See also: 厚(あつ)い (thick), 暑(あつ)い (hot (weather))

Conjugation

	Affirmative	Negative
Present	熱(あつ)い	熱(あつ)くない
Past	熱(あつ)かった	熱(あつ)くなかった
て form	熱(あつ)くて	熱(あつ)くなくて
Adverbial	熱(あつ)く	—
Conditional ば	熱(あつ)ければ	熱(あつ)くなければ
Conditional たら	熱(あつ)かったら	熱(あつ)くなかったら

1. hot (objects, liquids)

High temperature of objects or liquids that can be touched.

コーヒーが熱(あつ)い。

The coffee is hot.

2. passionate; fervent; ardent

Strong emotional intensity or enthusiasm.

胸(むね)が熱(あつ)くなる。

My heart feels warm. / I feel moved.

彼(かれ)は熱(あつ)い思(おも)いで夢(ゆめ)を語(かた)った。

He spoke of his dreams with passion.

熱(あつ)い refers to hot objects/liquids and passionate feelings.

Similar words

熱(あつ)い: hot to the touch (objects, liquids); passionate
暑(あつ)い: hot weather, uncomfortable heat
厚(あつ)い: thick (objects)

Common expressions

熱(あつ)いお湯(ゆ): hot water
熱(あつ)いコーヒー: hot coffee
熱(あつ)い視線(しせん): passionate gaze
熱(あつ)い戦(たたか)い: heated battle
胸(むね)が熱(あつ)くなる: to feel moved/emotional
熱(あつ)い思(おも)い: passionate feelings
鉄(てつ)は熱(あつ)いうちに打(う)て: Strike while the iron is hot

Forms

Adverbial: 熱(あつ)く
Noun form: 熱(あつ)さ (heat intensity)

Related Words

Antonym: 冷(つめ)たい (cold (to the touch))

Compare: 暖(あたた)かい (warm)

Related: お湯(ゆ) (hot water)

Compare: 熱々(あつあつ) (piping hot)

general

Added 2026.2.4 12:55 · Revised 2026.10.7 15:24

09500/09888_atsui