1. (a.) Capricious; not governed by any fixed rules; as, an arbitrary decision; an arbitrary punishment\.

2. (a.) Exercised according to one's own will or caprice, and therefore conveying a notion of a tendency to abuse the possession of power.

3. (a.) Despotic; absolute in power; bound by no law; harsh and unforbearing; tyrannical; as, an arbitrary prince or government.

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