[roh-buhst, roh-buhst]
strong and healthy; hardy; vigorous: a robust young man; a robust faith; a robust mind.
strongly or stoutly built: his robust frame.
suited to or requiring bodily strength or endurance: robust exercise.
rough, rude, or boisterous: robust drinkers and dancers.
rich and full-bodied: the robust flavor of freshly brewed coffee.
strong and effective in all or most situations and conditions: The system requires robust passwords that contain at least one number or symbol. Our goal is to devise robust statistical methods.

1540–50; < Latin rōbustus oaken, hard, strong, equivalent to rōbus-, stem of rōbur oak, strength + -tus adj. suffix

robustly, adverb
robustness, noun
unrobust, adjective
unrobustly, adverb
unrobustness, noun

1. powerful, sound. 4. coarse, rambunctious.

1. feeble. 2. weak. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
robust (rəʊˈbʌst, ˈrəʊbʌst)
1.  strong in constitution; hardy; vigorous
2.  sturdily built: a robust shelter
3.  requiring or suited to physical strength: a robust sport
4.  (esp of wines) having a rich full-bodied flavour
5.  rough or boisterous
6.  (of thought, intellect, etc) straightforward and imbued with common sense
[C16: from Latin rōbustus, from rōbur an oak, strength]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1549, from L. robustus "strong and hardy," originally "oaken," from robur, robus "hard timber, strength," also "a special kind of oak," named for its reddish heartwood, from L. ruber "red" (cf. robigo "rust"). Robustious (1548) was a common form in 17c. (cf. "Hamlet" iii.2); it fell from use by mid-18c.,
but was somewhat revived by mid-19c. antiquarian writers.
Online Etymology Dictionary, © 2010 Douglas Harper
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Computing Dictionary

robust definition

Said of a system that has demonstrated an ability to recover gracefully from the whole range of exceptional inputs and situations in a given environment. One step below bulletproof. Carries the additional connotation of elegance in addition to just careful attention to detail. Compare smart, opposite: brittle.
[Jargon File]

The Free On-line Dictionary of Computing, © Denis Howe 2010
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Example sentences
Flavorful ginger, garlic and a medley of spices produce a robust heat, while
  also providing an array of health benefits.
Sweet apricots and aromatic spices combine with chicken and chickpeas for a
  hearty meal that's robust with flavor.
Sauropods did not have robust batteries of molars to chew their food.
Lifeguards attribute the stinging streak in part to an unusually robust
  population of lion's mane jellies.
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