|Origin:||luke 'lukewarm' (13-19 centuries) (perhaps from Old English hleow 'warm') + warm|
Related topics: Food
food, liquid etc that is lukewarm is slightly warm and often not as hot or cold as it should be [= tepid]:
She sipped some lukewarm coffee from her mug.
not showing much interest or excitement:
His idea got only a lukewarm response from the committee.