countermine

• Terme militaire désignant une galerie ou une mine creusée pour contrer ou neutraliser les travaux de sape de l'ennemi, ou une action destinée à déjouer une intrigue ou une contre-intrigue.

A military noun referring to a tunnel dug to counteract or defeat similar tunneling activities by the enemy.

1. Military tunnelC2formaltechnical

   A tunnel dug by defenders to intercept or destroy an enemy's tunnel, especially during siege warfare.

   Contre-mine (tunnel militaire)

   • The engineers dug a countermine to collapse the enemy's tunnel.
   • During the siege, the defenders used a countermine to neutralize the threat.
   • The countermine was carefully planned to avoid detection.

• Verbe signifiant contrecarrer ou compromettre secrètement, ou déjouer les plans ou opérations d'un adversaire, souvent dans un contexte militaire ou stratégique.

A verb meaning to oppose or thwart secretly, or to undermine an opponent's plans or operations, often in a military or strategic context.

1. C1formal

   To place or detonate mines to neutralize or destroy enemy mines.

   Contre-miner

   • The engineers were ordered to countermine the enemy's positions.
   • They successfully countermined the field before the advance.
   • Countermining operations require precise planning and execution.

2. Sabotage or hinderC2formal

   To secretly work against or undermine a plan, operation, or activity.

   Contrecarrer, entraver secrètement

   • The spy attempted to countermine the company's expansion plans.
   • Rival factions tried to countermine the peace negotiations.
   • His constant criticism was an attempt to countermine her authority.

   Synonymesfoilimpedeobstructsabotagesubvertthwartundercutundermine

   Antonymesadvanceaidassistfacilitatefurtherhelppromotesupport