(くじょう)

くじょう
noun
complaint, grievance
1. complaint, grievance, grumble
An expression of dissatisfaction about something, often made formally.
I made a complaint about the service.
I called the complaints handling desk.
A noise complaint came from a neighbor.

苦情(くじょう) is used for complaints, especially in formal or customer service contexts.

Common collocations:

Related terms:

苦情(くじょう) is more formal than 文句(もんく).