1.
to warm up, to get warm
To become warm; to be warmed (intransitive).
部屋が暖まってきた。
The room has warmed up.
お風呂に入って体を暖まろう。
Let's take a bath and warm up.
心が暖まる話。
A heartwarming story.
暖まる is the intransitive form meaning to warm up.
TRANSITIVE PAIR:
- 暖まる (v.i.): to warm up
- 暖める (v.t.): to warm (something)
KANJI VARIATION:
- 暖まる: warm (temperature/room)
- 温まる: warm (body/emotional)
Note: Godan verb (五段動詞).