#acuity__acuteness__acutenes__sharpnes__keennes  a quick and penetrating intelligence; "he argued with great acuteness"; "I admired the keenness of his mind"
  supertype:  #intelligence  the ability to comprehend; to understand and profit from experience
  subtype:  #steel_trap__steeltrap  an acute intelligence (an analogy based on the well known sharpness of steel traps); "he's as sharp as a steel trap"; "a mind like a steel trap"

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