Other forms: embittered; embittering; embitters
To embitter to make someone bitter, resentful, or angry. People are embittered by disappointing and unfair experiences.
Life is often difficult, painful, and unfair. When bad things happen, they can embitter people. When you're embittered, your mood and attitude have soured. Losing your job unfairly will embitter you. Getting insulted will embitter you. Facing discrimination will embitter you. Some people are more prone to being embittered than others, but everyone gets embittered sometimes. When something or someone embitters you, you feel resentful and long for revenge.