Infrangible and Intact

Infrangible adjective - Difficult or impossible to break or separate into parts.

Intact and infrangible are semantically related. In some cases you can use "Intact" instead an adjective "Infrangible".

Intact adjective - Not lacking any part or member that properly belongs to it.

Infrangible and intact are semantically related. Sometimes you can use "Infrangible" instead an adjective "Intact".