Synonyms of arbitrary
- 1. arbitrary (vs. nonarbitrary), absolute, capricious, impulsive, whimsical, discretionary, discretional
- usage: based on or subject to individual discretion or preference or sometimes impulse or caprice; "an arbitrary decision"; "the arbitrary rule of a dictator"; "an arbitrary penalty"; "of arbitrary size and shape"; "an arbitrary choice"; "arbitrary division of the group into halves"
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Definition and meaning of arbitrary (Dictionary)