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1 two statements that are inconsistent cannot both be true [= contradictory; ≠ consistent]:
The accounts of the witnesses are inconsistent.
inconsistent with
His results are inconsistent with our data.
2 not right according to a particular set of principles or standards [≠ consistent]
inconsistent with
His conduct was inconsistent with what is expected of a Congressman.
3 inconsistent behaviour, work etc changes too often from good to bad [≠ consistent]:
The team's performance has been highly inconsistent this season.

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