1. to make bitter or unpleasant in taste or flavor
Usage: transitive verb; less common than 'embitter'
2. to make someone feel angry, resentful, or unhappy
Usage: transitive verb; less common than 'embitter'

Examples

• The harsh criticism began to imbitter her outlook on life.
• Years of disappointment had imbitterred his once-optimistic spirit.
• Excessive salt can imbitter the sauce.
• The scandal imbitterred relations between the two families.
• Nothing could imbitter his naturally cheerful disposition.
• The medicine's taste was imbitterred by a chemical additive.