Origin: Germanic Old English suffix
Robustness has 3 different meanings across 1 category:
the property of being strong and healthy in constitution
"After surviving a harsh winter without any medical care, the old shepherd's remarkable robustness allowed him to continue his daily work on the farm."
the characteristic of being strong enough to withstand intellectual challenge
"the lack of robustness in the findings may be due to the small size of the sample"
The quality of being robust.
"The software's robustness was proven when it kept running smoothly despite multiple power outages during the storm."