1.
complaint, grievance, grumble
An expression of dissatisfaction about something, often made formally.
苦情 is used for complaints, especially in formal or customer service contexts.
Common collocations:
- 苦情を言う/申し立てる (to make a complaint)
- 苦情を受ける (to receive a complaint)
- 苦情処理 (complaint handling)
- 苦情窓口 (complaints desk/counter)
- 苦情が殺到する (complaints flood in)
Related terms:
- クレーム (complaint - loanword, common in business)
- 不満 (dissatisfaction)
- 文句 (complaint - more casual)
- 抗議 (protest)
苦情 is more formal than 文句.