Unability vs Inability what difference

what is difference between Unability and Inability



From un- +‎ ability.


unability (usually uncountable, plural unabilities)

  1. Lack of ability; inability.
    • 1999, Christian Bühler, Harry Knops, Assistive Technology on the Threshold of the New Millennium:
      For the most common unabilities of disabled and older to perform different tasks in the kitchen, some adapted elements, including a robot-arm, have been designed.
    • 2012, Johan H. C. Reiber, P.W. Serruys, Advances in Quantitative Coronary Arteriography:
      Failures were related to the unability to selectively place the guiding catheter at the coronary ostium in 2 cases and to the unability to cross the lesion in 8 cases.
    • 2012, Julian F. Johnson, Roger S. Porter, Liquid Crystals and Ordered Fluids – Volume 2:
      The main factors that determine the location of the boundaries for the region of existence of a phase and thus its transition to another phase seem to be its ability or unability to incorporate water.



From earlier inhability (disqualification for office), equivalent to in- +‎ hability. Compare Middle French inhabilité, Medieval Latin inhabilitās.


  • IPA(key): /ˌɪnəˈbɪlɪti/


inability (countable and uncountable, plural inabilities)

  1. Lack of the ability to do something; incapability.
    • 2013, Daniel Taylor, Jack Wilshere scores twice to ease Arsenal to victory over Marseille (in The Guardian, 26 November 2013)[1]
      The Premier League leaders did what many people thought was beyond them in their last European excursion, at the home of Borussia Dortmund, and they made light work of overcoming Marseille on a night when the one-sidedness was not reflected by their inability to add to Jack Wilshere’s two goals.
  2. Lack of the option to do something; powerlessness.


  • unability


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