Lukewarm - Vine's Expository Dictionary of New Testament Words
Lukewarm
[ 1,,G5513, chliaros ]tepid, warm" (akin to chlio, "to become warm," not found in the NT or Sept.), is used metaphorically in Revelation 3:16, of the state of the Laodicean church, which afforded no refreshment to the Lord, such as is ministered naturally by either cold or hot water.