13 signs your coworker is undermining you

A recent University of Buffalo School of Management study found that those who feel undermined at work are more likely to sabotage their coworkers, according to phys.org.

That's bad news. Professional undermining is like a toxic gas; its presence will render any workplace uninhabitable.

Still, even if you feel like a colleague is out to get you, it's important not to let your suspicions make you paranoid.

Before you can take steps toward mitigating the situation, you need to know for sure that you're being targeted.

Here are 13 signs that a colleague is undermining you at work: