Noun greatness has 2 senses
  1. greatness - the property possessed by something or someone of outstanding importance
    --1 is a kind of
    importance
  2. enormousness, grandness, greatness, immenseness, immensity, sizeableness, vastness - unusual largeness in size or extent
    --2 is a kind of largeness, bigness
    --2 has particulars: enormity
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