Undermining is a term used to describe actions that weaken or destroy something. There are a variety of synonyms for the word undermining, including sabotaging, subverting, damaging, eroding, impairing, harming, weakening, destabilizing, and ruining. Each of these synonyms highlights a slightly different facet of the idea of undermining. Sabotaging, for example, implies a deliberate, intentional effort to cause harm. Subverting suggests an attempt to destabilize or overthrow something. Damage, erode, and weaken all imply a gradual process of wearing away over time. No matter which synonym is used, the idea of undermining connotes a destructive force that undermines the foundation of something.