"clothing-optional" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "clothing-optional (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "clothing optional"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1999, Carl Wambach, Touring Colorado Hot Springs - Page 7",
          "text": "If you are new to the world of hot springs, you may be surprised at how many of them have a clothing-optional standard. Clothing-optional is a euphemism of sorts; in simple terms it means you may bathe nude.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of clothing optional"
      ],
      "id": "en-clothing-optional-en-adj-HQs3aW2Q",
      "links": [
        [
          "clothing optional",
          "clothing optional#English"
        ]
      ],
      "synonyms": [
        {
          "word": "clothing optional"
        }
      ],
      "tags": [
        "alt-of",
        "alternative",
        "not-comparable"
      ]
    }
  ],
  "word": "clothing-optional"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "clothing-optional (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "clothing optional"
        }
      ],
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English uncomparable adjectives",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1999, Carl Wambach, Touring Colorado Hot Springs - Page 7",
          "text": "If you are new to the world of hot springs, you may be surprised at how many of them have a clothing-optional standard. Clothing-optional is a euphemism of sorts; in simple terms it means you may bathe nude.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of clothing optional"
      ],
      "links": [
        [
          "clothing optional",
          "clothing optional#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "not-comparable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "clothing optional"
    }
  ],
  "word": "clothing-optional"
}