#inutility__uselessness__unusefulness  the quality of having to practical use
  exclusion:  #usefulness
  supertype:  #quality  an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare
  subtype:  #futility  uselessness as a consequence of having no practical result
  subtype:  #worthlessness.inutility__worthlessnes  the quality of being without practical use
  subtype:  #impracticality  concerned with theoretical possibilities rather than actual use
     subtype:  #idealism  impracticality by virtue of thinking of things in their ideal form rather than as they really are
        subtype:  #romanticism  impractical romantic ideals and attitudes
        subtype:  #quixotism__knight_errantry  quixotic (romantic and impractical) behavior
  subtype:  #impracticability__impracticableness__impracticablenes  the quality of not being usable
     subtype:  #infeasibility__unfeasibility  the quality of not being doable

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