aleatory

Adjective

aleatory (not comparable)

1. Depending on the throw of a die; random, arising by chance.
   • Soon the snow will close on us; we are here some twenty miles - twenty-seven, they say, but this I profoundly disbelieve - in the woods; communication by letter is slow and (let me be consistent) aleatory; by telegram is as near as may be impossible.1887 October 8, Robert Louis Stevenson, letter to Edmund Goose
   • Malicious Fate, too, they felt, would even crown with the grand prix the number they would have chosen. But for the prospective draw for the wig—which reintroduced the aleatory—life would scarcely have been bearable.1910, Israel Zangwill, The Grey Wig

   Synonyms:

   random, stochastic

2. Produced with an element of chance (aleatoricism).