Nigerian /naɪˈd͡ʒɪəɹɪən/adjective 1noun 1forms 1 adjective1 •Of, from, or pertaining to Nigeria, the Nigerian people or culture.There was some languidness latent in the Nigerian atmosphere that made her forget the meaning of time passing. — 2005 noun1 •A person from Nigeria or of Nigerian descent.For the same reasons that many Nigerians troop to churches in recent times, many also seek spiritual intervention through African traditional religions. — 2010 formsNigerians