1. containing conflicting or contradictory elements: containing aspects or parts that conflict with or contradict each other an inconsistent statement
2. varying and unpredictable: unpredictable or unreliable by being likely to behave differently or achieve a different result if a particular situation is repeated inconsistent performance
3. conflicting or incompatible with something: conflicting with or not corresponding to something such as a rule, principle, or expectation behavior inconsistent with company policy
4. mathematics lacking common values in equation: not having a common set of values for the unknowns in an equation
