incompatible

US /ˌɪn.kəmˈpæt̬.ə.bəl/
UK /ˌɪn.kəmˈpæt̬.ə.bəl/
1.

unvereinbar

(of two things) so opposed in character as to be incapable of existing together.

:
she declined the offer because it was incompatible with her values