acausal acausal /eɪˈkɔzəl/

adjective

1. Not causal, not obeying standard laws of cause and effect  ( acausal )
   not causal, not obeying standard laws of cause and effect
    Hypothetical faster-than-light propagation of information is relativistically acausal
   hypothetical faster-than-light propagation of information is relativistically acausal