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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:

In Geneva, the UN human rights office called for the immediate and unconditional release of all those "arbitrarily detained" in Delhi.

From Barron's ● Oct. 11, 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

Foro Penal confirmed the release of Miguel Castillo Cedeño, who it said had been arbitrarily detained since June 2019.

From BBC ● Sep. 27, 2026

The suit notes precedent is a case from 1977 that ruled the White House cannot arbitrarily restrict press credentials for reporters on grounds that there’s retaliation for viewpoint discrimination.

From Los Angeles Times ● Sep. 21, 2026

“For example, could you have arrived at azoth if you’d arbitrarily closed your mind to certain chemical compounds?”

From "Strange the Dreamer" by Laini Taylor

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