tepid

This term describes a state of neutrality that often carries a negative or disappointing connotation. When referring to temperature, it suggests a lack of the desired heat or coolness, often feeling unpleasantly mediocre.

In social or professional contexts, it describes a lack of conviction or excitement. A tepid response is not an outright rejection, but it signals a failure to inspire or impress, suggesting a state of indifference or mild hesitation.