acausal

adjective

acaus·​al (ˈ)ā-ˈkȯ-zəl 

: not involving causation or arising from a cause : not causal

acausal phenomena

The behavior of atoms, according to this interpretation, is random and therefore acausal.

—K. C. Cole, First You Build A Cloud, 1999

They found an acausal relationship between divorce and crime.

Word History

Etymology

a- entry 2 + causal entry 1

First Known Use

1908, in the meaning defined above

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