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unrobustness vs lack of robustness

Both "unrobustness" and "lack of robustness" are correct phrases, but "lack of robustness" is more commonly used and considered more formal. They both mean not being robust or failing to be strong.
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Explained by Gregg
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Last updated: September 15, 2024

unrobustness

This phrase is correct but less common than "lack of robustness."

This term is used to describe the lack of robustness or strength in something.
  • unrobustness, noun. Synonyms Expand. 1. powerful, sound. 4. coarse, rambunctious. Antonyms Expand. 1. feeble. 2. weak. Dictionary.com Unabridged
  • unrobust — adj.; unrobustly, adv.; unrobustness, n. * * * unroˈbust, a. (un 1 7.) [ Ash.] H. Lynch G. Meredith 36 Deeming our taste questionable and unrobust …
  • This effect that we call membership unrobustness is discussed. We give preliminary benchmark examples and show how this effect influenced our recent work of ...
  • Mar 30, 2006 ... The hygroscopic nature of black powder and unrobustness of the current ignition cartridge sealing method and flash tube assembly have.

Alternatives:

  • lack of robustness
  • lack of strength
  • weakness

lack of robustness

This phrase is more commonly used and considered more formal.

This term is used to describe the absence of robustness or strength in something.
  • 2. robustness - the characteristic of being strong enough to withstand intellectual challenge; "the lack of robustness in the findings may be due to the small size of ...
  • J Gerontol A Biol Sci Med Sci. 2013 Oct;68(10):1157-69. doi: 10.1093/gerona/ glt031. Epub 2013 Jun 1. Lack of robustness of life extension associated with ...
  • the lack of robustness in the findings may be due to the small size of the sample. Hypernyms ("robustness" is a kind of...): characteristic (a distinguishing quality) ...
  • LACK OF ROBUSTNESS IN TWO TESTS OF. NORMALITY AGAINST AUTOCORRELATION IN. SAMPLE DATA. PIERRE DUTILLEUL and PIERRE LEGENDRE.

Alternatives:

  • unrobustness
  • absence of strength
  • weakness

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