Robustest

adjective

1. Evincing strength and health; strong.

   "A robust wall was put up."

2. Violent; rough; rude.
3. Requiring strength or vigor

   "robust employment"

4. Sensible (of intellect etc.); straightforward, not given to or confused by uncertainty or subtlety
5. Designed or evolved in such a way as to be resistant to total failure despite partial damage.