Pronunciation: /kəmˈpleɪnənt/
noun a person who makes a formal complaint or brings a legal action against someone
A1 The complainant reported a stolen bike to the police.
A2 The complainant was unhappy with the service and decided to file a complaint.
B1 The complainant provided evidence to support their claim in court.
B2 The complainant's lawyer argued on their behalf during the trial.
C1 The complainant's testimony was crucial in securing a conviction.
C2 The complainant's lawyer cross-examined the witnesses to strengthen their case.
adjective complaining or expressing dissatisfaction
A1 The complainant customer was unhappy with the service.
A2 The complainant party filed a formal grievance.
B1 The complainant witness provided valuable testimony in court.
B2 The complainant employee raised concerns about workplace safety.
C1 The complainant plaintiff sought damages for breach of contract.
C2 The complainant victim was instrumental in bringing the perpetrator to justice.
formal The complainant filed a formal grievance with the human resources department.
informal The person who complained went to HR about the issue.
slang The whiner took their complaint to the boss.
figurative The voice of the complainant echoed through the halls of the courthouse.
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