Dictionary entry

ψυχρός

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament with Strong's

ψυχρός, -ά, -όν

(< ψύχω), [in LXX: Pr 25:25 (קַר), Si 43:20, IV Mac 11:26 *;]

cold: sc. ὕδωρ (cf. Theogn., 263; Hdt., ii, 37), Mt 10:42; metaph., of indifferent persons, Re 3:15, 16 †