Irrefragable

ir-ref′ra-ga-bl, adj. that cannot be refuted: unanswerable.— ns. Irrefragabil′ity , Irref′rag able ne .— adv. Irref′ragably .— n. Irrefrangibil′ity .— adj. Irrefrangible (ir-e-fran′-ji-bl), not to be broken.— adv. Irrefran′gibly .— The Irrefragable Doctor , Alexander Hales (died 1245). [Fr.,—L. in , not, re , backwards, frangĕre , to break.]