Definitions of massiveness
  1. noun
    the property of being large in mass
    synonyms: heft, heftiness, ponderosity, ponderousness
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    type of:
    heaviness, weightiness
    the property of being comparatively great in weight
  2. noun
    an unwieldy largeness
    synonyms: bulkiness
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    type of:
    bigness, largeness
    the property of having a relatively great size
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