生ぬるい なまぬるい Also written 生温い Meanings い-adjective lukewarm; tepid half-hearted; vague; weak lenient; mild; soft Kanji 生 raw. Read as なま. Example sentences その水、生ぬるいよ。The water is lukewarm. 水は、生ぬるかった。The water was lukewarm. Word lists JLPT N1 Jinuma: Japanese Dictionary · Word lists