adjective 1.that cannot be broken or separated; unbreakable: infrangible moral strength.
2.that cannot be infringed or violated; inviolable: an infrangible rule.
Origin: 1590–1600; <
Late Latin infrangibilis. See
in-3,
frangible Related forms in·fran·gi·bil·i·ty, in·fran·gi·ble·ness, noun
in·fran·gi·bly, adverb