Banaban adjective 1noun 1forms 1 adjective1 •Of or pertaining to the island of Banaba, Kiribati.But Banaban elders say relying on support from faraway places is not sustainable, especially as the climate crisis worsens. — 2021 noun1 •A native or inhabitant of Banaba, Kiribati.Perhaps most damaging is the impact the mining had on te bangabanga. Banabans have historically been able to survive droughts due to the natural ability of the caves to capture and store water. — 2021 formsBanabans