Noun: countermine 'kawn-tu(r),mIn
- (military) a tunnel dug to defeat similar activities by the enemy
"The soldiers worked tirelessly on the countermine to prevent the enemy's advance"
- Act to reduce, damage or destroy the effectiveness, power or stability of something
"The Resistance countermined railway operations during the war";
- sabotage, undermine, counteract, subvert, weaken
- Destroy enemy mines with one's own mines
"We countermined the banks of the river"
Derived forms: countermined, countermines, countermining
Type of: countermeasure, disobey, mine
Encyclopedia: Countermine