the relation between propositions that cannot both be true at the same time
"The witness's testimony created an inconsistency because he claimed to see the thief in broad daylight while also insisting it was pitch black outside."
the quality of being inconsistent and lacking a harmonious uniformity among things or parts
"The architect was criticized for an inconsistency in the building's façade, where the stone columns on one side failed to match the rhythm and spacing of those on the other."
The state of being inconsistent.
"The judge dismissed the case due to an inconsistency in the defendant's testimony regarding his whereabouts on the night of the crime."