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arbitrariness

/ˈɑrbəˌtrɛrinəs/
IPA guide

If you get detention Monday for not eating peaches, Tuesday for not wearing a top hat, and Wednesday for not walking backward, you might complain about the arbitrariness of the rules, which are random, unpredictable, and without reason.

We often associate arbitrariness with dictators who make up laws and dish out punishments based on their moods or their desperate attempts to stay in power. At the same time, parents demonstrate a kind of arbitrariness when they answer the question "why not?" with "Because I said so!" To avoid arbitrariness, people make decisions based on consistency, reason, order, and predictability.

Definitions of arbitrariness
  1. noun
    the trait of acting unpredictably and more from whim or caprice than from reason or judgment
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    type of:
    irresponsibility, irresponsibleness
    a form of untrustworthiness; the trait of lacking a sense of responsibility and not feeling accountable for your actions
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