The meaning of ARBITRARY is chosen, decided, etc. seemingly at random or on a whim rather than in a reasoned or methodical way; also : random. How to use arbitrary in a sentence.

ARBITRARY definition: 1. based on chance rather than being planned or based on reason: 2. using unlimited personal power…. Learn more.

Arbitrary definition: subject to individual will or judgment without restriction; contingent solely upon one's discretion.. See examples of ARBITRARY used in a sentence.

Something that's arbitrary seems like it's chosen at random instead of following a consistent rule. Team members would dislike their coach using a totally arbitrary method to pick starting players.

If you describe an action, rule, or decision as arbitrary, you think that it is not based on any principle, plan, or system. It often seems unfair because of this.

Definition of arbitrary adjective from the Oxford Advanced Learner's Dictionary. (of an action, a decision, a rule, etc.) not seeming to be based on a reason, system or plan and sometimes …

Arbitrary definition: Determined by chance, whim, or impulse, and not by necessity, reason, or principle.

There are six meanings listed in OED's entry for the word arbitrary, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

ARBITRARY meaning: 1 : not planned or chosen for a particular reason not based on reason or evidence; 2 : done without concern for what is fair or right

subject to individual will or judgment without restriction; contingent solely upon one's discretion: an arbitrary decision. decided by a judge or arbiter rather than by a law or statute.