Lukewarm
WordNet
adjective
(1) Feeling or showing little interest or enthusiasm
"A halfhearted effort"
"Gave only lukewarm support to the candidate"
(2) Moderately warm
"He hates lukewarm coffee"
"Tepid bath water"
WiktionaryText
Etymology
From obsolete from + , related to German , Dutch .
Adjective
- Temperature between warm and cool.
- Wash it in lukewarm water.
- Not very enthusiastic (about a proposal or an idea).
- The suggestion met with only a lukewarm response.