ぬる温nuruいiぬく温nukuいiぬる緩nuruいi
1.
Describing a temperature that is mildly warm, specifically not reaching the desired level of heat, such as in tea or bathwater.
2.
Indicating a lack of intensity or strictness in an approach or method, often implying that it is overly lenient or soft.
3.
Characterizing a feeling or attitude that lacks enthusiasm or passion, suggesting a tepid emotional response.
Example:
このコーヒーはぬるいです。