undermines
Undermines is the third-person singular present tense of the verb undermine. The term has origins in the literal act of digging tunnels under a structure to weaken its foundation; over time it broadened to describe weakening, subverting, or eroding a base, support, or authority. In contemporary usage, to undermine something means to reduce its effectiveness, credibility, or stability, often through indirect, gradual, or covert actions.
Contexts and usage: The verb is common in politics, governance, management, and social relationships, as well
Impact and responses: Undermining can diminish trust, morale, and cooperation, and may destabilize institutions or processes.