uncaused

1. Finally, the fourth antinomy is the dilemma: Either the world as a whole has a cause or it is uncaused.
   第四种矛盾同样是一个两难问题，世界总的说来是否有一个原因。
2. Nirvana being uncaused, there is no cause that would bring about nirvana itself.
   涅磐是没有原因的，这里没有原因会带来涅磐本身。
3. Is the world a realm of pure causality, or is there the possibility of uncaused acts?
   世界是由纯粹因果律支配的还是存在没有原因的行为的可能性？

adj

1. having no cause or apparent cause
   1. a causeless miracle
   2. fortuitous encounters--strange accidents of fortune
   3. we cannot regard artistic invention as...uncaused and unrelated to the times

   Synonym:    causelessfortuitous