inconsistent: المعنى والتعريفات

Displaying or marked by a lack of consistency, especially: Not regular or predictable; erratic: inconsistent behavior. Lacking in correct logical relation; contradictory: inconsistent statements. Not in agreement or harmony; incompatible: an intersection inconsistent with the road map.

Mathematics Not solvable for the unknowns by the same set of values. Used of two or more equations or inequalities.