"litterless" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "litter",
        "3": "less"
      },
      "expansion": "litter + -less",
      "name": "suffix"
    }
  ],
  "etymology_text": "litter + -less",
  "forms": [
    {
      "form": "more litterless",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most litterless",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "litterless (comparative more litterless, superlative most litterless)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -less",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2009 April 22, Christopher Hume, “Europe's neat idea: Make firms pay up to recycle products”, in Toronto Star",
          "text": "Pack a litterless lunch.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Without litter; not having or creating waste."
      ],
      "id": "en-litterless-en-adj-9~YvfSaf",
      "links": [
        [
          "litter",
          "litter"
        ],
        [
          "waste",
          "waste"
        ]
      ],
      "related": [
        {
          "word": "graffitiless"
        }
      ]
    }
  ],
  "word": "litterless"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "litter",
        "3": "less"
      },
      "expansion": "litter + -less",
      "name": "suffix"
    }
  ],
  "etymology_text": "litter + -less",
  "forms": [
    {
      "form": "more litterless",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most litterless",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "litterless (comparative more litterless, superlative most litterless)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "graffitiless"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms suffixed with -less",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2009 April 22, Christopher Hume, “Europe's neat idea: Make firms pay up to recycle products”, in Toronto Star",
          "text": "Pack a litterless lunch.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Without litter; not having or creating waste."
      ],
      "links": [
        [
          "litter",
          "litter"
        ],
        [
          "waste",
          "waste"
        ]
      ]
    }
  ],
  "word": "litterless"
}