Sabotage

Origin

From French sabotage (verb is from the noun)

Full definition of sabotage

Noun

1. A deliberate action aimed at weakening an enemy through subversion, obstruction, disruption, and/or destruction.
2. (military) An act or acts with intent to injure, interfere with, or obstruct the national defense of a country by willfully injuring or destroying, or attempting to injure or destroy, any national defense or war materiel, premises, or utilities, to include human and natural resourcesJP 1-02 Department of Defense Dictionary of Military and Associated Terms..

Verb

1. to deliberately destroy or damage something in order to prevent it from being successfulThe railway line had been sabotaged by enemy commandos