incompatibility.

A conflict that prevents things, requirements or people from coexisting or functioning together in the relevant way.

Use it for

Words that belong together

• logical incompatibility
• incompatibility of requirements

On the page

The analysis showed an incompatibility between the two timing requirements.

Logical incompatibility meant that the claims could not both hold under the stated interpretation.

Usage notes

Primary category: academic / formal. Forms: Singular incompatibility; plural incompatibilities. Often also uncountable. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: definition, comparison, qualification, causal analysis. Disciplines: academic writing, institutional analysis, general research. Commonness: moderately common.