Definify.com
Webster 1913 Edition
Lukewarm
1.
Moderately warm; neither cold nor hot; tepid.
2.
Not ardent; not zealous; cool; indifferent.
“ Lukewarm blood.” Spenser.
“ Lukewarm patriots.” Addison.
Luke′warmˊly
, adv.
Luke′warmˊness
, Noun.
Webster 1828 Edition
Lukewarm
LU'KEWARM
, a.1.
Moderately warm; tepid; as lukewarm water; lukewarm heat.2.
Not ardent; not zealous; cool; indifferent; as lukewarm obedience; lukewarm patriots. Rev. 3.