irrefrangible[adjective]Synonyms: indestructible, imperishable, incorruptible, inexterminable, inextinguishable, inextirpable, irrefragable, quenchless, undestroyable, unperishable
 [TahlilGaran] English Synonym Dictionary ▲
 irrefrangible adjective. 
[ɪrɪ'frandʒɪb(ǝ)l] E18.[from IR-2 + REFRANGIBLE.]1.  Unable to or not allowed to be broken or violated; inviolable. 
E18.2.  Optics. Not refrangible; unable to be refracted. 
E20. ■   irrefrangibly adverb L19.  [TahlilGaran] English Dictionary ▲