Miinibaashkiminasiganibiitoosijiganibadagwiingweshiganibakwezhigan
This is a long word and it means blueberry pie, but it is not the longest. The longest is... Tweedehandsemotorverkoopsmannevakbondstakingsvergaderingsameroeperstoespraakskrywerspersverklaringuitreikingsmediakonferensieaankondiging! It has 136 letters.