uncaused
1. [ adjective ] having no cause or apparent cause
Synonyms: fortuitous causeless
Examples:

"a causeless miracle" "fortuitous encounters--strange accidents of fortune" "we cannot regard artistic invention as...uncaused and unrelated to the times"

Related terms: unintended
Similar spelling:   unexhausted
  uncase
  unexcused
  ungusseted
  unassisted
  unassigned
  uncus
  unsuspected
  unjust
  unjustified
  unicuspid
  uncastrated
  unsexed
  unjustly