Dictionary
in•fran•gi•ble
Pronunciation: (in-fran'ju-bul), [key]—
adj.
1. that cannot be broken or separated; unbreakable:
infrangible moral strength.
2. that cannot be infringed or violated; inviolable:
an infrangible rule. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.