Strong's G2637 · Greek

κατάλαλος

katalalos · kat-al'-al-os

from 2596 and the base of 2980; talkative against, i.e. a slanderer

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 1 *† κατά-λαλος , -ου, ὁ , a railer , defamer : Ro 1:30 .† SYN. : ( ψιθυριστής ), a whisperer (v. Tr., Syn. , § cvii, 15; Lft., Notes , 256). 

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain