"challengingness" meaning in English

{
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        "1": "en",
        "2": "challenging",
        "3": "ness"
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      "expansion": "challenging + -ness",
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  ],
  "etymology_text": "From challenging + -ness.",
  "head_templates": [
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      "args": {
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      "expansion": "challengingness (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "source": "w"
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      "examples": [
        {
          "ref": "2015 August 27, “When Challenging Art Gets Liked: Evidences for a Dual Preference Formation Process for Fluent and Non-Fluent Portraits”, in PLOS ONE, →DOI:",
          "text": "Consequently, although the stimulus selection was clearly restricted, we propose that similar findings (at least in principle) should apply to a broader range of artistic artefacts despite potential variations in central stimulus-dimensions (such as subject matter, colorization, or image size) unless they alter the experience of processing ease or mental challengingness.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Quality or degree of being challenging."
      ],
      "id": "en-challengingness-en-noun-i2m9-HV~",
      "links": [
        [
          "challenging",
          "challenging"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "challengingness"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "challenging",
        "3": "ness"
      },
      "expansion": "challenging + -ness",
      "name": "suffix"
    }
  ],
  "etymology_text": "From challenging + -ness.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "challengingness (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "ref": "2015 August 27, “When Challenging Art Gets Liked: Evidences for a Dual Preference Formation Process for Fluent and Non-Fluent Portraits”, in PLOS ONE, →DOI:",
          "text": "Consequently, although the stimulus selection was clearly restricted, we propose that similar findings (at least in principle) should apply to a broader range of artistic artefacts despite potential variations in central stimulus-dimensions (such as subject matter, colorization, or image size) unless they alter the experience of processing ease or mental challengingness.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Quality or degree of being challenging."
      ],
      "links": [
        [
          "challenging",
          "challenging"
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        "uncountable"
      ]
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  "word": "challengingness"
}