unorthodox
US /ʌnˈɔːr.θə.dɑːks/
UK /ʌnˈɔːr.θə.dɑːks/

1.
unorthodox, unkonventionell, ungewöhnlich
contrary to what is usual, traditional, or accepted; not orthodox
:
•
His teaching methods were considered unorthodox by many.
Seine Lehrmethoden wurden von vielen als unorthodox angesehen.
•
She took an unorthodox approach to solving the problem.
Sie wählte einen unorthodoxen Ansatz zur Lösung des Problems.