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irrefrangible

American  
[ir-i-fran-juh-buhl] / ˌɪr ɪˈfræn dʒə bəl /

adjective

  1. not to be broken or violated; inviolable.

    an irrefrangible rule of etiquette.

  2. incapable of being refracted.

irrefrangible British  
/ ˌɪrɪˈfrændʒəbəl /

adjective

  1. not to be broken or transgressed; inviolable

  2. physics incapable of being refracted

"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

Other Word Forms

  • irrefrangibility noun
  • irrefrangibleness noun
  • irrefrangibly adverb

Etymology

Origin of irrefrangible

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This inconvertibility of yellow fever with other diseases is absolute, and affords irrefrangible evidence of the specificity of that germ or poisonous principle which produces it.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.