sabotage

The deliberate destruction of property or obstruction of normal operations, as by civilians or enemy agents in a time of war.

The deliberate attempt to damage, destroy, or hinder a cause or activity.

To damage, destroy, or hinder (something) by sabotage.

Scamped work.

Malicious waste or destruction of an employer’s property or injury to his interests by workmen during labor troubles.

any surreptitious destruction of property or obstruction of activity by persons not known to be hostile; — in war, such actions carried out behind enemy lines by agents or local sympathisers of the hostile power.

A deliberate action aimed at weakening an enemy through subversion, obstruction, disruption, and/or destruction.

to deliberately destroy or damage something in order to prevent it from being successful

a deliberate act of destruction or disruption in which equipment is damaged