What is the meaning of robust?

adjective

• Sturdy and strong in form, constitution, or construction.
  • usage: "a robust body"; "a robust perennial"
• Marked by richness and fullness of flavor.
  • usage: "a rich ruby port"; "full-bodied wines"; "a robust claret"; "the robust flavor of fresh-brewed coffee"
  • synonyms: full-bodied, racy, rich
• Strong enough to withstand or overcome intellectual challenges or adversity.
  • usage: "the experiment yielded robust results"; "a robust faith"
• Rough and crude.
  • usage: "a robust tale"