"weak sister" meaning in English

{
  "forms": [
    {
      "form": "weak sisters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "weak sister (plural weak sisters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "_dis1": "0 0",
      "word": "weakest link"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "79 21",
          "kind": "topical",
          "langcode": "en",
          "name": "People",
          "orig": "en:People",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "1964, \"Political Thriller\" (film review of Seven Days in May), Time, Feb. 21",
          "text": "\"Your course of action this past year has bordered on criminal negligence,\" he barks to the man whose job he means to take. \"You're a weak sister, Mr. President.\""
        }
      ],
      "glosses": [
        "A person who is cowardly or indecisive."
      ],
      "id": "en-weak_sister-en-noun-eiliMKtl",
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "cowardly",
          "cowardly"
        ],
        [
          "indecisive",
          "indecisive"
        ]
      ],
      "raw_glosses": [
        "(chiefly US, idiomatic, derogatory) A person who is cowardly or indecisive."
      ],
      "tags": [
        "US",
        "derogatory",
        "idiomatic"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "27 73",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "12 88",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "9 91",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "1991 May 20, Larry Reibstein, “A Mexican Miracle?”, in Newsweek:",
          "text": "San Antonio has always been viewed as the weak sister of the big regional centers of Houston and Dallas.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A person or thing which is the least robust or least dependable member of a group."
      ],
      "id": "en-weak_sister-en-noun-P7V5l9OA",
      "links": [
        [
          "robust",
          "robust"
        ],
        [
          "dependable",
          "dependable"
        ]
      ],
      "raw_glosses": [
        "(chiefly US, idiomatic) A person or thing which is the least robust or least dependable member of a group."
      ],
      "synonyms": [
        {
          "_dis1": "6 94",
          "sense": "least robust of a group",
          "word": "sick man"
        }
      ],
      "tags": [
        "US",
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-weak sister.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/90/En-au-weak_sister.ogg/En-au-weak_sister.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/9/90/En-au-weak_sister.ogg"
    }
  ],
  "word": "weak sister"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries",
    "en:People"
  ],
  "forms": [
    {
      "form": "weak sisters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "weak sister (plural weak sisters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "weakest link"
    }
  ],
  "senses": [
    {
      "categories": [
        "American English",
        "English derogatory terms",
        "English idioms"
      ],
      "examples": [
        {
          "ref": "1964, \"Political Thriller\" (film review of Seven Days in May), Time, Feb. 21",
          "text": "\"Your course of action this past year has bordered on criminal negligence,\" he barks to the man whose job he means to take. \"You're a weak sister, Mr. President.\""
        }
      ],
      "glosses": [
        "A person who is cowardly or indecisive."
      ],
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "cowardly",
          "cowardly"
        ],
        [
          "indecisive",
          "indecisive"
        ]
      ],
      "raw_glosses": [
        "(chiefly US, idiomatic, derogatory) A person who is cowardly or indecisive."
      ],
      "tags": [
        "US",
        "derogatory",
        "idiomatic"
      ]
    },
    {
      "categories": [
        "American English",
        "English idioms",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1991 May 20, Larry Reibstein, “A Mexican Miracle?”, in Newsweek:",
          "text": "San Antonio has always been viewed as the weak sister of the big regional centers of Houston and Dallas.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A person or thing which is the least robust or least dependable member of a group."
      ],
      "links": [
        [
          "robust",
          "robust"
        ],
        [
          "dependable",
          "dependable"
        ]
      ],
      "raw_glosses": [
        "(chiefly US, idiomatic) A person or thing which is the least robust or least dependable member of a group."
      ],
      "tags": [
        "US",
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-weak sister.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/90/En-au-weak_sister.ogg/En-au-weak_sister.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/9/90/En-au-weak_sister.ogg"
    }
  ],
  "synonyms": [
    {
      "sense": "least robust of a group",
      "word": "sick man"
    }
  ],
  "word": "weak sister"
}