uncaused

un·caused

U0033200 (ŭn-kôzd′)adj. Existing without a perceptible cause; spontaneous.

uncaused

(ʌnˈkɔːzd) adjrare not brought into existence by any cause; spontaneous or natural

un•caused

(ʌnˈkɔzd)

adj. without an antecedent cause. [1620–30]

Thesaurus

Adj.

1.

uncaused - having no cause or apparent cause; "a causeless miracle"; "fortuitous encounters--strange accidents of fortune"; "we cannot regard artistic invention as...uncaused and unrelated to the times"fortuitous, causelessunintended - not deliberate