Charles Ellicott Commentary Romans 1:29

"being filled with all unrighteousness, wickedness, covetousness, maliciousness; full of envy, murder, strife, deceit, malignity; whisperers," — Romans 1:29 (ASV)

Whisperers, backbiters.—In the Greek, the idea of secrecy is contained chiefly in the first of these words. “Secret backbiters and slanderers of every kind.”