1. comparative form of bitter; more bitter in taste, feeling, or attitude
Usage: comparative form

Examples

• The coffee grew bitterer as it cooled.
• His disappointment made him bitterer toward his former friends.
• The medicine tasted even bitterer than before.
• She became bitterer with each rejection letter.
• The winter wind felt bitterer this year.
• His bitterer remarks showed his growing resentment.