Fig.: Suppress the creation or support of secret means; to ruin in a sneaky way; to undermine reputation; to undermine the constitution of the state. Do you see the full definition of undermine in the dictionary english english language Learners So, what do you do if you feel like you are being undermined at work? Hundreds of archaeological finds from the first century have been unenumerated, and I was curious: did they undermine or support eyewitness accounts of Jesus? A huge rock has undermined from one end to the other, and a highway that passes through it. – Addison. dig up the earth below or part of it, in particular for the purpose of falling or falling; to form a mine underneath; fruit juices; like a wall to scuttle. A common definition of “undermining” is “undermining the base or foundation” or “weakening or damaging someone, particularly gradually or insidiously.” To undermine is therefore to weaken the position, goals or success of something or someone – “undermined behavior” in the workplace being the actions of another that are intended either to derail you and your intentions, or to promote the other person`s agenda at the expense of yours. It is often done in a sneaky, mysterious or manipulative way, with the aim of preventing you from achieving your goals. He uses an order that delays payroll taxes to undermine Social Security and Medicare. Studies have shown that partners who offer social assistance can also offer social undermining. .