1. to express strong disapproval or disagreement, typically in a forceful or emotional way
Usage: usually followed by 'with' or 'against'

Examples

• She expostulates with her brother about his reckless driving.
• The coach expostulates against the referee's unfair call.
• He expostulates loudly whenever someone questions his authority.
• They expostulated with the manager about the poor service.
• The senator expostulates against the proposed legislation.
• She expostulates with her friend over his dishonesty.