Jamaican /d͡ʒəˈmeɪkən/adjective 1noun 3forms 1 adjective1 •Of, from, or pertaining to Jamaica, the Jamaican people or the Jamaican language.Thomas says his only option now is to apply for Jamaican citizenship through his late father. But he does not plan to, since “my life, my kids, my family is back in the States,” he said. — 2025 noun3 •A person from Jamaica or of Jamaican descent. •Ellipsis of Jamaican Creole. •Ellipsis of Jamaican English. formsJamaicans