proofless

Adjective

1. Without proof.
   • nor did I content my self with the proofless proposal of my Conjecture - 1659 December 30 (date written), Robert Boyle, New Experiments Physico-Mechanicall, Touching the Spring of the Air, and Its Effects […], Oxford,...
   • A sneering smile was the only answer for a moment; then,-- "I shall take great pleasure in confounding my enemies should the matter be brought before a court,--I'm sure if the colonel can stand that sort of thing I...