tepid

adjectives

moderately warm
"he hates lukewarm coffee"; "tepid bath water"
lukewarm, tepid
is derived from
tepidness
is derived from
tepidity
feeling or showing little interest or enthusiasm
"a halfhearted effort"; "gave only lukewarm support to the candidate"
half-hearted, halfhearted, lukewarm, tepid
is derived from
tepidness