Meaning of ARBITRARY in English
adj depending on will or discretion; not governed by any fixed rules; as, an arbitrary decision; an arbitrary punishment.
2. arbitrary ·adj despotic; absolute in power; bound by no law; harsh and unforbearing; tyrannical; as, an arbitrary prince or government.
3. arbitrary ·adj exercised according to one's own will or caprice, and therefore conveying a notion of a tendency to abuse the possession of power.
Webster English vocab. Английский словарь Webster. 2012