nonsuit UK /ˈnɒns(j)uːt/US /ˈnɑnsut/noun 2verb 1forms 3 noun2 •A lawsuit that is dismissed as having been brought without cause, prior to an adjudication on the merits. •A neglect or failure by the plaintiff to follow up his suit; a renunciation or withdrawal of the cause by the plaintiff.[A]ltho the party be indicted as vvell as appeald, yet upon the nonsuit of the plaintiff, the proceeding for the king shall not be upon the indictment, but upon the appeal. — 1677 verb1 •To dismiss (a suit or plaintiff) on the grounds of his or her lawsuit having been brought without cause, prior to an adjudication on the merits.[W]here an appeal is brought at the suit of the party, and the plaintiff is nonsuit upon that appeal, yet the offender shall be arraigned at the king's suit upon such appeal; […] — 1677 formsnonsuited · nonsuiting · nonsuits