· (military) a tunnel dug to defeat similar activities by the enemy
Hypernym(s): countermeasure
· destroy property or hinder normal operations; "The Resistance sabotaged railroad operations during the war"
Synonym(s): sabotage, undermine, counteract, subvert, weaken
Hypernym(s): disobey
· destroy enemy mines with one's own mines; "We countermined the banks of the river"
Hypernym(s): mine