生なま温あたたかい

i-adjective

lukewarm; tepid; unpleasantly warm

Describes something that is mildly warm but in a disagreeable or half-hearted way, often used for liquids, weather, or attitudes. The prefix 生 (なま) adds a sense of 'not fully' or 'half-'.

• 生なま温あたたかいビールは美味おいしくない。