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Synonyms

arbitrarily

American  
[ahr-bi-trair-uh-lee] / ˌɑr bɪˈtrɛər ə li /

adverb

  1. based on the judgment or will of an individual.

    The Fourth Amendment protects my right to not be arbitrarily searched.

  2. without an apparent reason or pattern; randomly; capriciously.

    There is no need to stop living life to its fullest simply because we have reached some arbitrarily set age for what broader society calls “retirement.”


Other Word Forms

Etymology

Origin of arbitrarily

arbitrary ( def. ) + -ly

Explanation

Something said or done arbitrarily is done randomly or without much thought — like when you arbitrarily eat whatever happens to be on the buffet table at your cousin's wedding. The adverb arbitrarily describes something that's done haphazardly, based on random chance or on your own whim of the moment. If you go to a movie and know nothing about anything that's playing, you might arbitrarily choose one — based on the titles, the look of the posters, or on nothing at all. When there's not much reason behind your actions, they're done arbitrarily.

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Vocabulary lists containing arbitrarily

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

High Commissioner for Human Rights called for the immediate and unconditional release of all those "arbitrarily detained" in New Delhi.

From Barron's ● Oct. 11, 2026

The group said that people sent to Eswatini, Ghana and South Sudan, had been arbitrarily detained and faced ill-treatment while in detention.

From BBC ● Oct. 8, 2026

The universe contains a finite amount of information that can become accessible to us, even if we waited for an arbitrarily long time.

From Science Daily ● Sep. 28, 2026

Classes are now arbitrarily ranked by income, power and social connections.

From The Wall Street Journal ● Aug. 30, 2026

“Oh, one or two,” I said arbitrarily: I would have liked to play in all of them.

From "Kaffir Boy: An Autobiography" by Mark Mathabane

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