"foulmouthed" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "foul",
        "3": "mouthed"
      },
      "expansion": "foul + mouthed",
      "name": "compound"
    }
  ],
  "etymology_text": "From foul + mouthed.",
  "forms": [
    {
      "form": "more foulmouthed",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most foulmouthed",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "foulmouthed (comparative more foulmouthed, superlative most foulmouthed)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "foul-mouthed"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative form of foul-mouthed"
      ],
      "id": "en-foulmouthed-en-adj-VObO4crQ",
      "links": [
        [
          "foul-mouthed",
          "foul-mouthed#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "foulmouthed"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "foul",
        "3": "mouthed"
      },
      "expansion": "foul + mouthed",
      "name": "compound"
    }
  ],
  "etymology_text": "From foul + mouthed.",
  "forms": [
    {
      "form": "more foulmouthed",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most foulmouthed",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "foulmouthed (comparative more foulmouthed, superlative most foulmouthed)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "foul-mouthed"
        }
      ],
      "categories": [
        "English adjectives",
        "English compound terms",
        "English entries with incorrect language header",
        "English lemmas",
        "Pages with 1 entry"
      ],
      "glosses": [
        "Alternative form of foul-mouthed"
      ],
      "links": [
        [
          "foul-mouthed",
          "foul-mouthed#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "foulmouthed"
}