a·le·a·to·ry 
(ālē-ə-tôr′ē)
(ālē-ə-tôr′ē)adj.
1. Dependent on chance, luck, or an uncertain outcome: an aleatory contract between an oil prospector and a landowner.
2. Of or characterized by gambling: aleatory contests.
3. also a·le·a·to·ric (ā′lē-ə-tôrĭk) Music Using or consisting of sounds to be chosen by the performer or left to chance; indeterminate: An object placed inside the piano added an aleatory element to the piece.
[Latin āleātōrius, from āleātor, gambler, from ālea, game of chance, die.]
- overmedicate
- overmedication
- overmuch
- over my dead body
- overnight
- overnight bag
- overnighter
- over (one's) head
- over one's head
- over one's skis
- overoptimism
- overoptimistic
- overoptimistically
- overpass
- overpay
- overpayment
- overpersuade
- overpersuasion
- overplay
- overplus
- overpopulate
- overpopulation
- overpower
- overpowering
- overpoweringly