unvereinbare

Unvereinbare is a German adjective meaning incompatible. It is the feminine singular attributive form of unvereinbar, used before feminine nouns in standard German.

Examples: eine unvereinbare These (an incompatible thesis); die unvereinbaren Thesen (the incompatible theses). In other grammatical contexts, the adjective inflects differently: die unvereinbare Vereinbarung; die unvereinbaren Vereinbarungen.

The term is common in philosophical, logical, and theoretical discussions where relationships between statements, principles, or values are described as mutually exclusive or irreconcilable. The prefix un- conveys negation, and vereinbar derives from vereinbaren to agree or reconcile, so unvereinbar means not able to be reconciled or harmonized.

The noun form Unvereinbarkeit expresses the state or quality of being incompatible, and is used in formal writing to refer to incompatibility as a concept (for example, Die Unvereinbarkeit von Prinzipien).

In usage, unvereinbar or its inflected forms appear in discussions of theoretical consistency, argument structure, or normative frameworks, where two or more elements cannot be simultaneously satisfied. The term is widely understood in German-language texts; in English it is typically translated as incompatible or incompatibility depending on the grammatical role.