Countermine — synonyms, definition

1. countermine (Noun)

countermine (Noun) — (military) a tunnel dug to defeat similar activities by the enemy.

countermeasure

2. countermine (Verb)

counteract sabotage subvert undermine weaken

countermine (Verb) — Destroy property or hinder normal operations. ex. "The Resistance countermined railway operations during the war"

countermine (Verb) — Destroy enemy mines with one's own mines. ex. "We countermined the banks of the river"

disobey mine derail