Wiktionary
crashproof
a. 1 (context of a vehicle English) Resistant to the damaging effects of a collision. 2 (context computing English) Resistant to crashes (failure of software programs).
Usage examples of "crashproof".
And there was a child of three that claimed he’d seen a Wise One swallow it—waterproof, radiationproof, fireproof, crashproof box and all.