complaint

/kəm-ˈplānt/

Middle English compleynte, from Anglo-French compleint, from compleindre seecomplain

noun

  1. expression of grief, pain, or dissatisfaction

  2. something that is the cause or subject of protest or outcry

  3. a bodily ailment or disease

She did her chores without complaint.

noun phrase

  1. reasons to complain

You have no grounds for complaint.

noun

  1. a complaint made in response to another complaint or by a person or group who was complained against; specifically, law : counterclaim

The US said it would file a complaint with the new World Trade Organization after 20 months of negotiations with Japan failed to open that country's market to US autos and auto parts. Tokyo said it will file a countercomplaint with the WTO.