[in-fran-juh-buh l]
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  1. that cannot be broken or separated; unbreakable: infrangible moral strength.
  2. that cannot be infringed or violated; inviolable: an infrangible rule.

Origin of infrangible

From the Late Latin word infrangibilis, dating back to 1590–1600. See in-3, frangible
Related formsin·fran·gi·bil·i·ty, in·fran·gi·ble·ness, nounin·fran·gi·bly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for infrangible

Historical Examples of infrangible

British Dictionary definitions for infrangible


  1. incapable of being broken
  2. not capable of being violated or infringed
Derived Formsinfrangibility or infrangibleness, nouninfrangibly, adverb

Word Origin for infrangible

C16: from Late Latin infrangibilis, from Latin in- 1 + frangere to break
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