inconsistency
n. C / Un. a situation where two things do not match or where someone's behavior changes for no clear reason. It often means there is a mistake or a lack of logic.
n. a lack of agreement, harmony, or logical continuity between different parts of a whole. Often refers to a failure to maintain the same standard or behavior over time.
There is an inconsistency between your two reports.
The lawyer pointed out a major inconsistency in the witness's story, noting that the times mentioned did not match the security footage.
While the overall thesis is compelling, the author's inconsistency in applying the chosen methodology across all chapters weakens the final argument and leaves several questions unanswered.
Uncountable when referring to the general quality of being inconsistent; countable when referring to specific instances or errors.
the inconsistency about the datathe inconsistency in the dataWhen describing where a contradiction exists, the preposition 'in' or 'between' is used rather than 'about'.