com·plaint 
/kəmˈpleɪnt/ noun
plural com·plaints /kəmˈpleɪnt/ noun 1 a [count] : a statement that you are unhappy or not satisfied with something
▪ We lodged a complaint with the hotel manager. [=we complained to the hotel manager] ▪ The board has received a number of complaints about the new policy. ▪ The company has a system to handle customer complaints.
b [noncount] : the act of saying or writing that you are unhappy or dissatisfied with something
▪ She did her chores without complaint. [=without complaining] ▪ a letter of complaint [=a letter in which you complain about something] ▪ You have no grounds for complaint. [=no reasons to complain] 2 [count] : something to be unhappy about : something that people complain about
▪ The lack of parking spaces is a common complaint among the city's residents. ▪ The lack of financial support is our biggest/only complaint. ▪ I have no complaints with/about the service. [=I am happy with the service] 3 [count] : a pain or sickness in the body : a symptom of a disease
▪ He is being treated for a stomach complaint. ▪ Shortness of breath was a common complaint among the patients. 4 [count] law : a formal charge saying that someone has done something wrong
▪ He filed a complaint against his employer. ▪ The court dismissed her complaint.
▪ We lodged a complaint with the hotel manager. [=we complained to the hotel manager] ▪ The board has received a number of complaints about the new policy. ▪ The company has a system to handle customer complaints.
b [noncount] : the act of saying or writing that you are unhappy or dissatisfied with something
▪ She did her chores without complaint. [=without complaining] ▪ a letter of complaint [=a letter in which you complain about something] ▪ You have no grounds for complaint. [=no reasons to complain]
▪ The lack of parking spaces is a common complaint among the city's residents. ▪ The lack of financial support is our biggest/only complaint. ▪ I have no complaints with/about the service. [=I am happy with the service]
▪ He is being treated for a stomach complaint. ▪ Shortness of breath was a common complaint among the patients.
▪ He filed a complaint against his employer. ▪ The court dismissed her complaint.
