Bad / Bad
promiscuous - Lacking discretion or selectivity, especially in choosing relationships or associates; mixing or combining things randomly.
inferior - Low in rank, status, imprtance, or quality.
shameful - Disgraceful behavior that is worthy of blame and shame.
culpable - Deserving to be blamed or considered responsible and guilty for something bad that happened.
louse - A person or thing that causes trouble or harm; or a small, parasitic insect that feeds on the blood of animals, typically living in hair or fur.
illegitimate - Not conforming, accepted, or authorized according to known standards or rules.
infamous - Well known for some bad quality or deed
depraved - Morally bad or evil