Irrefutable

Ir′re‐fut″a‐ble (?; 277), a. [L. irrefutabilis: cf. F. irréfutable. See Refute.] Incapable of being refuted or disproved; indisputable. — Ir′re‐fut″a‐ble‐ness, n. — Ir′re‐fut″a‐bly, adv.