jury UK /ˈd͡ʒʊəɹi/US /ˈd͡ʒʊɹi/noun 3adjective 1verb 1forms 3phrases 1 noun3 •a group of ordinary people chosen to hear both sides in a court of law and decide the case •A group of judges in a competition. •(slang) The audience attending the first night of a performance, whose reaction may determine whether it succeeds or fails.The jury which decides on the first night usually seals the fate of the season. — 1828 adjective[in compounds]1 •For temporary use; applied to a temporary contrivance. verb1 •To judge by means of a jury. formsjuried · jurying · juries Phrases with jury judge, jury and executionerSomeone with full power to judge and punish others unilaterally.