complaint n1 : 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
Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.
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