Definition of "robust"

robust

/ɹəʊˈbʌst/

adjective
comparative robuster or more robust, superlative robustest or most robust
1. Evincing strength and health; strong; (often, especially) both large and healthy.
  Quotations
  She was stronger, larger, more robust physically than he had hitherto conceived.
  1869, Anthony Trollope, Phineas Finn
2. Violent; rough; rude.
  Quotations
  As a frenetic opening continued, Cahill - whose robust approach had already prompted Jamie Carragher to register his displeasure to Atkinson - rose above the Liverpool defence to force keeper Pepe Reina into an athletic tip over the top.
  2011 October 1, Phil McNulty, “Everton 0 - 2 Liverpool”, in BBC Sport‎
3. Requiring strength or vigor.
4. Sensible (of intellect etc.); straightforward, not given to or confused by uncertainty or subtlety.
5. (systems engineering) Designed or evolved in such a way as to be resistant to total failure despite partial damage.
6. (software engineering) Resistant or impervious to failure regardless of user input or unexpected conditions.
7. (statistics) Not greatly influenced by errors in assumptions about the distribution of sample errors.
8. (chiefly zoology, anthropology, paleontology) Of an individual or skeletal element: strongly built; muscular; not gracile.