Fetching details from the dictionary...
lukewarm; tepid
lenient
「温い」 has another reading with different meanings.
warm; mild; (pleasantly) hot
このお茶ちゃは温いぬきいですね。
This tea is lukewarm, isn't it.
温いぬきい水みずで手てを洗いあらいましたよ。
I washed my hands with lukewarm water.
温くぬくくなったコーヒーはあまり美味しくおいしくないよね。
Lukewarm coffee doesn't taste very good, does it?