#inability  lack of ability (especially mental ability) to do something
  exclusion:  ability.cognition
  supertype:  cognition__knowledge__noesis  the psychological result of perception and learning and reasoning
  subtype:  mental_block__block  an inability to remember or think of something you normally can do; often caused by emotional tension; "I knew his name perfectly well but I had a temporary block"
     subtype:  writer's_block  an inability to write; "he had writer's block; the words wouldn't come"
  subtype:  stupidity  a poor ability to understand or to profit from experience
     subtype:  dumbness__denseness__densenes__slowwittednes  the quality of being mentally slow and limited
     subtype:  dulness__dulnes__dullnes__obtuseness  the quality of being slow to understand
     subtype:  mental_retardation__retardation__backwardness__slowness__subnormality  lack of normal development of intellectual capacities
        subtype:  mental_defectiveness__abnormality  retardation sufficient to fall outside the normal range of intelligence
           subtype:  feeblemindedness  severe mental deficiency
        subtype:  moronity__mental_deficiency  mild mental retardation
        subtype:  idiocy__amentia  extreme mental retardation
        subtype:  imbecility  retardation more severe than a moron but not as severe as an idiot
     subtype:  folly__foolishness__foolishnes__crazines  the quality of being rash and foolish
  subtype:  inaptitude  a lack of aptitude
     subtype:  talentlessness  a lack of talent
     subtype:  incapableness__incapablenes  lack of potential for development
        subtype:  imperfectibility__imperfectability  the incapability of becoming perfect
  subtype:  incapacity.inability  lack of intellectual power
  subtype:  unskillfulness  a lack of cognitive skill
     subtype:  incoordination  a lack of coordination of movements
     subtype:  ineptness__awkwardness__awkwardnes__clumsines__ineptitude__maladroitness__maladroitnes__slownes  unskillfulness resulting from a lack of training
     subtype:  inefficiency  unskillfulness resulting from a lack of efficiency
     subtype:  amateurishness  something that demonstrates a lack of professional competency
  subtype:  illiteracy  an inability to read
  subtype:  uncreativeness  a lack of creativity
     subtype:  fruitlessness  a lack of creative imagination
     subtype:  unoriginality.uncreativeness  uncreativeness due to a lack of originality
        subtype:  triteness__tritenes__stalenes  unoriginality as a result of being dull and hackneyed
           subtype:  camp.triteness  something that is considered amusing not because of its originality but because of its unoriginality; "the livingroom was pure camp"
        subtype:  conventionality  unoriginality as a result of being too conventional
  subtype:  incomprehension  an inability to understand; "his incomprehension of the consequences"

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