abrupt

broken off, lacking in continuity, steep OR sudden, quick and unexpected

corrupt

changed from good to to bad, vicious pervert, falsify

disrupt

break apart, cause disorder

incorruptible

inflexibly honest, incapable of being corrupted or bribed

genocide

deliberate extermination of a racial or cultural group

homicide

killing of one human by another

pesticide

substance that kills rats, insects, bacteria, etc.

constrict

draw together, render narrower, shrink

restrict

keep within limits, confine

stringent

strict, rigid, severe