KJV Dictionary Definition: concupiscence
CONCUPISCENCE, n. L., to covet or lust after, to desire or covet. Lust; unlawful or irregular desire of sexual pleasure. In a more general sense, the coveting of carnal things, or an irregular appetite for worldly good; inclination for unlawful enjoyments.
We know even secret concupiscence to be sin.
Sin, taking occasion by the commandment, wrought in me all manner of concupiscence. Romans 7.
CONCUPISCENT, a. Desirous of unlawful pleasure; libidinous.
CONCUPISCIBLE, a. Exciting or impelling to the enjoyment of carnal pleasure; inclining to the attainment of pleasure or good; as concupiscible appetite.