To cause to weaken, be damaged, or diminish, as in quality:
To cause the ruin of.
Sabotage is defined as to intentionally destroy something.
To diminish or destroy the strength or vitality of.
To cause (someone) to feel that his or her power, social standing, or self-esteem is in danger of being diminished:
(Physics) To pass through a normally impassable barrier or insulator
(Slang) To understand fully:
(--- Archaic) To render impure; contaminate.
Cripple is defined as to disable or make unable to function properly.
To sap the strength or energy of; enervate.
To throw into confusion
To disable is defined as to make something not work that was working before, or to injure someone in a way that makes them unable to do something.
To cause (a resource or supply of something) to be used up gradually and often completely.
To eat into; corrode:
Excavate is defined as to dig a hole, or to uncover and remove something from the ground.
To put sandbags in or around.
The watery fluid that circulates through a plant that has vascular tissues. Sap moving up the xylem carries water and minerals, while sap moving down the phloem carries water and food.
To undermine, mislead, or betray:
To destroy or damage badly
Attenuate is defined as to reduce the strength of an electrical signal.
To deprive of strength; make feeble.
(Obs.) To interpret; explain
In a strong manner; greatly, severely, vigorously, etc.
To start work on with purpose and vigor:
Cave is defined as to hollow out, to explore hollowed out places, or to give in.
To frustrate or defeat by secret and opposite measures.
To counteract is to act in opposition to or against some force in order to neutralize the force.
Find another word for undermine. In this page you can discover 50 synonyms, antonyms, idiomatic expressions, and related words for undermine, like: impair, ruin, sabotage, devitalize, threaten, dig out, tunnel, hollow-out, weaken, dig and corrupt.