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warm; mild; (pleasantly) hot
「温い」 has another reading with different meanings.
lukewarm; tepid
今日きょうは風かぜがとても温いぬきいね。
The wind is really warm today.
昨夜さくやの布団ふとんは温かっぬくかった。
The futon was warm last night.
今日きょうのお湯ゆはあまり温くぬくくない。
The hot water isn't very warm today.