Quick Definition
lukewarm
Strong's Definition
tepid
Derivation: from (to warm);
KJV Usage: lukewarm
Thayer's Greek Lexicon
χιλιαρος, χιλιαρα, χιλιαρον (χλίω, to become warm, liquefy, melt), tepid, lukewarm: metaphorically, of the condition of a soul wretchedly fluctuating between a torpor and a fervor of love, Rev_3:16. (Herodotus, Pindar, Diodorus, Plutarch, Athen., Geoponica.)
Mounce Concise Greek Dictionary
χλιαρός chliaros 1x
warm, tepid; lukewarm, Rev_3:16
Abbott-Smith Greek Lexicon
* χλιαρός , -ά , -όν
( < χλίω , to become warm ),
warm, tepid; metaph ., of persons, luke-warm: Rev_3:16 .†
Moulton & Milligan — Vocabulary of the Greek NT
χλιαρός [page 689]
lukewarm, occurs in the NT only in Rev. 3:16, where WII ( Notes .2 , p. 157) admit a possible alternative spelling χλιερός ( ΰ *) : cf. Moulton Gr ii. p. 67.
Liddell-Scott — Intermediate Greek Lexicon
χλιαρός χλι_α^ρός, ή, όν [Etym: χλίω] "warm, lukewarm", Lat. tepidus, Hdt. , Ar. of persons, "lukewarm", NTest.
STEPBible — Tyndale Abridged Greek Lexicon
χλιαρός, -ά, -όν
(χλίω, to become warm),
warm, tepid; metaphorically, of persons, luke-warm: Rev.3:16.†
(AS)