concupiscence

noun2

1. •
   An ardent desire, especially sexual desire; lust.

   • He was torn by two intense and conflicting desires: his ardent wish to advance through his association with Mr. Browning, and his concupiscence. — 1973
2. •
   the desire of a person's lower appetite, contrary to reason, which subjugates and inclines them to experience temptation and to give in to sin, due to the Fall and original sin.