In*fran"gi*ble (?), a. [Pref. in- not + grangible: cf.F. infrangible.]
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.
© Webster 1913.