#weakness  the property of lacking physical or mental strength; liability to failure under pressure or stress or strain; "his weakness increased as he became older"; "the weakness of the span was overlooked until it collapsed"
  exclusion:  strength
  supertype:  property.attribute  a basic or essential attribute shared by all members of a class; "a study of the physical properties of atomic particles"
  subtype:  adynamia  lack of strength or vigor esp from illness
  subtype:  feebleness__tenuity  the quality of lacking intensity or substance; "a shrill yet sweet tenuity of voice"- Nathaniel Hawthorne
  subtype:  flimsiness__shoddiness  the property of weakness by virtue of careless construction
  subtype:  fragility__delicacy  lack of physical strength
  subtype:  insubstantiality.weakness  lack of solid substance and strength
  subtype:  attenuation  the property of something that has been weakened or reduced in thickness or density
  subtype:  enervation  lack of vitality; "an enervation of mind greater than any fatigue"
  subtype:  fatigability  susceptibility to fatigue; a tendency to get tired or lose strength
  subtype:  lassitude__inanition__lethargy  weakness characterized by a lack of vitality or energy
  subtype:  weak_part__weak_spot__soft_spot  a place of especial vulnerability
     subtype:  Achilles'_heel  a seemingly small but actual mortal weakness
     subtype:  jugular  a vital part that is vulnerable to attack; "he always goes for the jugular"
     subtype:  underbelly  the quality of being weak or unprotected; "the soft underbelly of the Axis"- Winston Churchill
  subtype:  vulnerability  susceptibility to injury or attack
     subtype:  defenselessness__defenselessnes__defencelessnes__unprotectednes  the property of being helpless in the face of attack
     subtype:  assailability  vulnerability to forceful attack
     subtype:  destructibility  vulnerability to destruction
     subtype:  breakability__fragility  quality of being easily damaged or destroyed
     subtype:  exposure.vulnerability  vulnerability to the elements; to the action of heat or cold or wind or rain; "exposure to the weather" or "they died from exposure"
        subtype:  wind_exposure__windage  exposure to the wind (as the exposed part of a vessel's hull which is responsible for wind resistance)
        subtype:  solarization__solarisation  exposure to the rays of the sun

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