aleatory
Americanadjective
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Law. depending on a contingent event.
an aleatory contract.
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of or relating to accidental causes; of luck or chance; unpredictable.
an aleatory element.
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Music. employing the element of chance in the choice of tones, rests, durations, rhythms, dynamics, etc.
adjective
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dependent on chance
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(esp of a musical composition) involving elements chosen at random by the performer
Etymology
Origin of aleatory
1685–95; < Latin āleātōrius, equivalent to āleātōr- (stem of āleātor gambler ( āle ( a ) game of chance + -ātor -ator ) + -ius adj. suffix; see -tory 1
Explanation
Something aleatory is based on chance or randomness, like rolling dice in a game or picking a card from a shuffled deck, where the outcome is left entirely to luck. In contract law, an aleatory agreement — such as an insurance policy — depends on an uncertain event to trigger a payout. Beyond gaming and law contexts, aleatory elements appear in art and music, where randomness is embraced to create unique experiences every time. For example, in aleatory music, certain parts of the performance are left to the performer’s choice, making each rendition a bit different and unique. Embracing the element of chance reminds us that some of life’s most interesting moments come from the unexpected.
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.
The tonal lurching makes “Cardinal” feel whimsical and even a bit aleatory, like a John Cage sonata.
From New York Times • Jan. 30, 2018
The white-on-white markings can be seen as aleatory wall drawings.
From Washington Post • Nov. 9, 2017
As a generation from whom little was expected, we cultivated an aleatory, “slacker” ethos—well depicted in Richard Linklater’s film of the same name.
From Salon • May 25, 2013
An innovative 1945 work, a concerto for piano and orchestra called “Lousadzak,” used elements of aleatory music, with instruments repeating phrases in random, uncoordinated fashion.
From New York Times • Nov. 4, 2011
The actor of established position—"established" being a mere figure of speech, since at best the actor's position is an aleatory one—those of prominence usually demand to read the play before signing a contract.
From My Actor-Husband A true story of American stage life by Anonymous
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
