Dependent on chance or luck; having a random outcome.
Late 16th century: from latin aleatorius, from alea "a game of chance".
- Many people think that the stock market is aleatory.
- This kind of music is characterized by its aleatory nature.
- The outcome of the game was determined by an aleatory element.
- The process of selection was based on an aleatory factor.
- This type of art is often viewed as aleatory because the artist never knows how the final product will turn out.