postcode lottery UK /ˌpəʊs(t)kəʊd ˈlɒtəɹi/US /ˌpoʊs(t)ˌkoʊd ˈlɑtɚi/ noun1 •(UK) The unequal availability or quality of services, especially public services such as healthcare or education, in different parts of the country.A postcode lottery in cancer care means more than one-fifth of patients with cancerous tumours wait longer than two months to have them removed in some parts of England, Labour has claimed. — 2023 formspostcode lotteries