1. present participle of imbitter; to make bitter or cause to feel bitter, resentful, or angry
Usage: often used in passive voice or as a gerund

1. causing bitterness or resentment; making someone feel bitter or angry
Usage: used attributively or predicatively

Examples

• The repeated failures were imbittering her outlook on life.
• Years of unfair treatment left him imbittering toward the institution.
• The imbittering experience of betrayal changed how she approached relationships.
• Nothing was more imbittering than being passed over for promotion despite her hard work.
• The imbittering tone of his remarks made the situation worse.
• She found the imbittering reality of poverty difficult to accept.
• His imbittering comments about the decision only deepened the conflict.