irrefrangible

[ ir-i-fran-juh-buh l ]
/ ˌɪr ɪˈfræn dʒə bəl /

adjective

not to be broken or violated; inviolable: an irrefrangible rule of etiquette.
incapable of being refracted.

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Origin of irrefrangible

First recorded in 1710–20; ir-2 + refrangible

OTHER WORDS FROM irrefrangible

ir·re·fran·gi·bil·i·ty, ir·re·fran·gi·ble·ness, nounir·re·fran·gi·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for irrefrangible

irrefrangible
/ (ˌɪrɪˈfrændʒəbəl) /

adjective

not to be broken or transgressed; inviolable
physics incapable of being refracted

Derived forms of irrefrangible

irrefrangibility or irrefrangibleness, nounirrefrangibly, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012