Sabotage is defined as to intentionally destroy something.
To counteract is to act in opposition to or against some force in order to neutralize the force.
Subvert is defined as to overthrow, destroy or undermine.
Find another word for countermine. In this page you can discover 5 synonyms, antonyms, idiomatic expressions, and related words for countermine, like: sabotage, undermine, counteract, subvert and weaken.