Sabotage vs. Undermine

Sabotagenoun

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

Undermineverb

To dig underneath (something), to make a passage for destructive or military purposes; to sap.

Sabotagenoun

(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 resources.

Undermineverb

(figuratively) To weaken or work against; to hinder, sabotage.

‘The war efforts were undermined by the constant bickering between the allies.’;

Sabotageverb

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

‘The railway line had been sabotaged by enemy commandos.’; ‘Our plans were sabotaged.’;

Undermineverb

To erode the base or foundation of something, e.g. by the action of water.

Sabotagenoun

Scamped work.

Undermineverb

To excavate the earth beneath, or the part of, especially for the purpose of causing to fall or be overthrown; to form a mine under; to sap; as, to undermine a wall.

‘A vast rock undermined from one end to the other, and a highway running through it.’;

Sabotagenoun

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.

Undermineverb

Fig.: To remove the foundation or support of by clandestine means; to ruin in an underhand way; as, to undermine reputation; to undermine the constitution of the state.

‘He should be warned who are like to undermine him.’;

Sabotagenoun

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

Undermineverb

destroy property or hinder normal operations;

‘The Resistance sabotaged railroad operations during the war’;

Sabotageverb

destroy property or hinder normal operations;

‘The Resistance sabotaged railroad operations during the war’;

Undermineverb

hollow out as if making a cave or opening;

‘The river was caving the banks’;

Sabotage

Sabotage is a deliberate action aimed at weakening a polity, effort, or organization through subversion, obstruction, disruption, or destruction. One who engages in sabotage is a saboteur.