1. a sharp, unpleasant taste
2. feelings of anger, resentment, or hostility
3. harsh or unpleasant quality

Examples

• The bitterness of the medicine made it hard to swallow.
• She couldn’t hide the bitterness in her voice when talking about her ex-husband.
• Years of disappointment had filled him with bitterness.
• The bitterness of the winter wind cut through their coats.
• He spoke without bitterness about losing the election.
• The coffee’s bitterness was balanced by a touch of cream.
• There was no bitterness between the former rivals.