arbitrary
adjectiveformal/ɐɾbiˈtɾaɾju/medium
ar·bi·trá·ri·o
Definition
Based on random choice or personal whim, rather than any reason or system.
The selection of the candidate seemed completely arbitrary, with no justification.
The government was accused of exercising arbitrary power over its citizens.
Common collocations
arbitrary decisionarbitrary powerarbitrary rulearbitrary choice
Etymology
Do latim 'arbitrarius', de 'arbiter' (juiz, árbitro).