[SoCal Pubbie]

pre·ven·tive (prĭ-vĕn′tĭv) also pre·ven·ta·tive (-tə-tĭv) adj.

1. Intended or used to prevent or hinder; acting as an obstacle: preventive measures.
2. Carried out to deter expected aggression by hostile forces.
3. Preventing or slowing the course of an illness or disease; prophylactic: preventive medicine; preventive health care.

https://www.thefreedictionary.com/preventative

[ActresponsiblyinVA]

Charlottesville was bad because of Antifa and BLM.

[IronJack]

“Preventative” is a corruption, just like “irregardless.”