ROBUST

[adjective] - (of a person or animal) strong and healthy, or (of an object) strong and unlikely to breakYou need to be robust to go rock climbing.He looks healthier than he did six months ago - a little heavier and more robust.She's just bought herself a robust pair of walking boots to go hiking in the Pyrenees.(figurative) The company's finances are fairly robust at the moment (= The company has made a large profit).