complaint

noun

com·​plaint kəm-ˈplānt 

1

: expression of grief, pain, or dissatisfaction

She did her chores without complaint.

2

a

: something that is the cause or subject of protest or outcry

Inefficiency was the main complaint against the local government.

b

: a bodily ailment or disease

The patient's complaint was frequent headaches.

3

: a formal allegation against a party

The complaint alleges sexual harassment.

Synonyms

• beef
• bitch
• bleat
• carp
• fuss
• grievance
• gripe
• grouch
• grouse
• grumble
• holler
• kvetch
• lament
• miserere
• moan
• murmur
• plaint
• squawk
• wail
• whimper
• whine
• whinge [British]
• yammer

Examples of complaint in a Sentence

The board has received a number of complaints about the new policy.

The company has a system to handle customer complaints.

The lack of parking spaces is a common complaint among the city's residents.

The lack of financial support is our biggest complaint.

He is being treated for a stomach complaint.

Shortness of breath was a common complaint among the patients.

Recent Examples on the Web

Several workers at the facility filed complaints with the NLRB last week alleging Amazon had retaliated against them for their union activity, including firing them or withholding benefits. —Greg Bensinger, USA TODAY, 11 Feb. 2025

One of the messages sent to the boys from an individual later identified by authorities as Brett Bonini asked the two to pull down their pants and rub each others’ genitals over video chat in exchange for 25,000 in Roblox currency, according to the complaint. —Silas Morgan, Orlando Sentinel, 11 Feb. 2025

Beyond presenting an obvious conflict of interest, granting Musk and his associates access to the files would likely discourage workers from filing future complaints. —Eyal Press, The New Yorker, 10 Feb. 2025

Serafini faces an additional charge of child endangerment listing his two small children as victims on the day of the shooting, according to the criminal complaint. —Rosalio Ahumada, Sacramento Bee, 10 Feb. 2025

Word History

Etymology

Middle English compleynte, from Anglo-French compleint, from compleindre — see complain

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing complaint

• counter-complaint
• grounds for complaint

Kids Definition

complaint

noun

com·​plaint kəm-ˈplānt 

1

: expression of grief, pain, or resentment

2

a

: a cause or reason for complaining

the noise was her biggest complaint

b

: a pain or sickness in the body

3

: a charge of illegal wrongdoing against a person

Medical Definition

complaint

noun

com·​plaint kəm-ˈplānt 

: a bodily ailment or disease

bloating and other digestive complaints

—Christine Gorman

Legal Definition

complaint

noun

com·​plaint

1

: the initial pleading that starts a lawsuit and that sets forth the allegations made by the plaintiff against the defendant and the plaintiff's demand for relief see also prayer, process, well-pleaded complaint rule compare answer

2

: a document sworn to by a victim or police officer that sets forth a criminal violation and that serves as the charging instrument by which charges are filed and judicial proceedings commenced against a defendant in a magistrate's court compare declaration, indictment, information

3

: petition