luke ‧ warm /ˌluːkˈwɔːm◂ $ -ˈwɔːrm◂/ BrE AmE adjective
[ Date: 1300-1400 ; Origin: luke 'lukewarm' (13-19 centuries) (perhaps from Old English hleow 'warm' ) + warm ]
1 . food, liquid etc that is lukewarm is slightly warm and often not as hot or cold as it should be SYN tepid :
She sipped some lukewarm coffee from her mug.
2 . not showing much interest or excitement:
His idea got only a lukewarm response from the committee.
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THESAURUS
■ food/liquid/something you touch
▪ hot :
a hot drink
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hot meals
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Eat your food while it’s hot.
▪ warm a little hot, especially in a way that seems pleasant:
The bread was still warm from the oven.
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the warm waters of the Caribbean
▪ boiling (hot) spoken very hot:
The water’s boiling hot.
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Boiling-hot steam shoots out from underground.
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The mud in the pools is boiling.
▪ lukewarm /ˌluːkˈwɔːm◂ $ -ˈwɔːrm◂/ slightly warm, but not hot enough – used about liquids:
a cup of lukewarm coffee
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The bath water was lukewarm.