ar ‧ bi ‧ tra ‧ ry AC /ˈɑːbətrəri, ˈɑːbɪtrəri, -tri $ ˈɑːrbətreri/ BrE AmE adjective
[ Word Family: noun : ↑ arbitrariness ; adverb : ↑ arbitrarily ; adjective : ↑ arbitrary ]
[ Date: 1400-1500 ; Language: Latin ; Origin: arbitrarius 'depending on the decision of a judge, uncertain' , from arbiter ; ⇨ ↑ arbiter ]
decided or arranged without any reason or plan, often unfairly:
an arbitrary decision
the arbitrary arrests of political opponents
—arbitrariness noun [uncountable]
—arbitrarily /ˈɑːbətrərəli, ˈɑːbɪtrərəli $ ˌɑːrbəˈtrerəli/ adverb :
an arbitrarily chosen number