incompatible

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

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(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