Infrangible
Pronunciation : In*fran"gi*ble
Part of Speech : a.
Etymology : [Pref. in- not + grangible: cf.F. infrangible.]
Definition : 1. Not capable of being broken or separated into parts; as, infrangible atoms. [He] link'd their fetlocks with a golden band Infrangible. Pope.
2. Not to be infringed or violated.
Source : Webster's Unabridged Dictionary, 1913