a. [ Pref. in- not + grangible: cf. F. infrangible. ] 1. Not capable of being broken or separated into parts; as, infrangible atoms. [ 1913 Webster ]
[ He ] link'd their fetlocks with a golden band Infrangible. Pope. [ 1913 Webster ]
2. Not to be infringed or violated. [ 1913 Webster ]
n. The state or quality of being infrangible; infrangibility. [ 1913 Webster ]