prerational

pre- +‎ rational

prerational (not comparable)

1. Before the application of reason.
   • 2007 October 7, “Can I Put You on Hold?”, in New York Times‎:

     It is hard to escape the impression that if retailers could they would find some way to hook up directly to the prerational brain — the part of us that knows nothing about common sense, budgets, late fees and interest rates — a part of the brain to which, for many of us, our cellphones have constant access.

• proletarian