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[roh-buhst, roh-buhst] /roʊˈbʌst, ˈroʊ bʌst/
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.
Origin of robust
1540-50; < Latin rōbustus oaken, hard, strong, equivalent to rōbus-, stem of rōbur oak, strength + -tus adj. suffix
Related forms
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. 2017.
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Examples from the Web for robustness
Historical Examples
  • I found myself envying the British robustness of that fine young chap who is so misguided as to be a lawyer.

    Helena's Path Anthony Hope
  • The nearer proximity of water we consider a detriment to the robustness of a community.

    Desert Dust Edwin L. Sabin
  • This type is characterised in general by robustness and a liability to disorders of the central circulatory system.

    Pedagogical Anthropology Maria Montessori
  • Her face had lost its robustness of scorn, and expressed only a cheerful determination.

    Meadow Grass Alice Brown
  • All his works, though wanting in breadth and robustness of tone, are characterised by the utmost finish and refinement.

    Great Musical Composers George T. Ferris
  • Thus the robustness of the parents is inherited by the children.

  • Abundant, strong, sleek hair is in physiological relation to robustness of body.

    Pedagogical Anthropology Maria Montessori
  • An air of robustness and strength is very prejudicial to beauty.

  • Her children inherited her acuteness and refinement with their father's robustness and aversion to study.

    Cashel Byron's Profession George Bernard Shaw
  • Triviality destroys at once robustness of thought and delicacy of feeling.

    The Right to Privacy Samuel D. Warren
British Dictionary definitions for robustness


the quality of being robust
(computing) the ability of a computer system to cope with errors during execution


/rəʊˈbʌst; ˈrəʊbʌst/
strong in constitution; hardy; vigorous
sturdily built: a robust shelter
requiring or suited to physical strength: a robust sport
(esp of wines) having a rich full-bodied flavour
rough or boisterous
(of thought, intellect, etc) straightforward and imbued with common sense
Derived Forms
robustly, adverb
Word Origin
C16: from Latin rōbustus, from rōbur an oak, strength
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for robustness



1540s, from Middle French robuste (14c.) and directly from Latin robustus "strong and hardy," literally "as strong as oak," originally "oaken," from robur, robus "hard timber, strength," also "a special kind of oak," named for its reddish heartwood, from Latin ruber "red" (cf. robigo "rust"), from PIE *reudh- (see red (adj.1)). Related: Robustly; robustness. Robustious (1540s) 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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