Berean Standard Bible (BSB)
while evil men and imposters go from bad to worse, deceiving and being deceived.
World English Bible (WEB)
But evil men and impostors will grow worse and worse, deceiving and being deceived.
Strong's King James
But{G1161} evil{G4190} men{G444} and{G2532} seducers{G1114} shall wax{G4298}{(G5692)} worse and worse{G1909}{G5501}, deceiving{G4105}{(G5723)}, and{G2532} being deceived{G4105}{(G5746)}.
The F.O.G *
(13) But evil men and impostors will progressively worsen upon being deceived and deceiving.
The F.O.G Message *
Young's Literal Translation
and evil men and impostors shall advance to the worse, leading astray and being led astray.