apotreptic

1. adjective

Designed to dissuade.

The original sacrifice of the lamb in the land of Egypt was chiefly designed...to avert that judgement (viz. the death of the first-born) from the Israelites...but the annual passover...was rather a commemoration of the deliverance of the Israelites from that calamity, than an apotreptic sacrifice.

2. noun

Rhetoric designed to dissuade.

The sweeping mock-Catonian attack of Juv. 6, an apotreptic against marriage that quickly turns into a categorical disparagement of women.