What does "inconsistency" mean?

Inconsistency: Absurdity in argument ore narration; incoherence or irreconcilability in the parts of a statement, argument, or narration; that which is inconsistent. If a man would register all his opinions upon love, politics, religion, and learning, what a bundle of inconsistencies and contradictions would appear at last! Swift.

Additional senses

  1. 2.Want of stability or uniformity; unsteadiness; changeableness; variableness. Mutability of temper, and inconsistency with ourselves, is the greatest weakness of human nature. Addison.

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