Definitions

1. noun

an expression of discontent or a formal protest about an unpleasant or unfair situation

“The customer filed a complaint with the company about the defective product.”

2. noun

a formal expression of dissatisfaction, often made in writing

“The patient made a complaint to the doctor about the long wait time in the hospital.”

3. noun

a symptom or indication of a disease or problem

“The doctor diagnosed the patient’s complaint as a common cold.”

4. verb

to express dissatisfaction or protest about something

“She complained about the noise from the construction site.”

5. verb

to state a grievance or a problem

“He complained to the manager about the slow service at the restaurant.”