"dull as dishwater" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "dull as dishwater (not comparable)",
      "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 similes",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1932, Delos W. Lovelace, King Kong, published 1965, page 6",
          "text": "‘My blessed Public must have a pretty girl’s face. Romance isn’t romance, adventure is as dull as dishwater...to my Public...unless, every so often, a face to sink a thousand ships, or is it saps? shows up.’",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Boring; ordinary; exceedingly dull."
      ],
      "id": "en-dull_as_dishwater-en-adj-dTfSa7qb",
      "links": [
        [
          "Boring",
          "Boring"
        ],
        [
          "ordinary",
          "ordinary"
        ],
        [
          "dull",
          "dull"
        ]
      ],
      "qualifier": "simile",
      "raw_glosses": [
        "(simile) Boring; ordinary; exceedingly dull."
      ],
      "related": [
        {
          "word": "watch paint dry"
        },
        {
          "word": "bored to tears"
        }
      ],
      "synonyms": [
        {
          "word": "boring as beans"
        },
        {
          "word": "dull as ditchwater"
        }
      ],
      "tags": [
        "not-comparable"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "extremely boring",
          "word": "tylsä kuin mikä"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "extremely boring",
          "word": "umpitylsä"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "extremely boring",
          "word": "chiant comme la pluie"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "extremely boring",
          "word": "nudny jak flaki z olejem"
        }
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-dull as dishwater.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/2/25/En-au-dull_as_dishwater.ogg/En-au-dull_as_dishwater.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/2/25/En-au-dull_as_dishwater.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "dull as dishwater"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "dull as dishwater (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "watch paint dry"
    },
    {
      "word": "bored to tears"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English similes",
        "English terms with audio links",
        "English terms with quotations",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "ref": "1932, Delos W. Lovelace, King Kong, published 1965, page 6",
          "text": "‘My blessed Public must have a pretty girl’s face. Romance isn’t romance, adventure is as dull as dishwater...to my Public...unless, every so often, a face to sink a thousand ships, or is it saps? shows up.’",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Boring; ordinary; exceedingly dull."
      ],
      "links": [
        [
          "Boring",
          "Boring"
        ],
        [
          "ordinary",
          "ordinary"
        ],
        [
          "dull",
          "dull"
        ]
      ],
      "qualifier": "simile",
      "raw_glosses": [
        "(simile) Boring; ordinary; exceedingly dull."
      ],
      "synonyms": [
        {
          "word": "boring as beans"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-dull as dishwater.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/2/25/En-au-dull_as_dishwater.ogg/En-au-dull_as_dishwater.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/2/25/En-au-dull_as_dishwater.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "synonyms": [
    {
      "word": "dull as ditchwater"
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "extremely boring",
      "word": "tylsä kuin mikä"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "extremely boring",
      "word": "umpitylsä"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "extremely boring",
      "word": "chiant comme la pluie"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "extremely boring",
      "word": "nudny jak flaki z olejem"
    }
  ],
  "word": "dull as dishwater"
}