"not worth a whistle" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "not worth a whistle (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"
        }
      ],
      "examples": [
        {
          "ref": "1848, Blanchard Jerrold, The disgrace to the family: A story of social distinctions, page 92",
          "text": "We are a set of worthless fellows not worth a whistle.",
          "type": "quotation"
        },
        {
          "ref": "2010, Yuvraj Ramsaroop, Realizing the American Dream",
          "text": "“The life of a Negro in Mississippi is not worth a whistle,” one of the European newspapers reported.",
          "type": "quotation"
        },
        {
          "ref": "2011, Jennifer Lawler, Martial Arts For Dummies",
          "text": "This, of course, is ridiculous, as most people can plainly see, but you'd be surprised at how often otherwise intelligent individuals fail to distinguish between what's worth fighting over and what's not worth a whistle.",
          "type": "quotation"
        },
        {
          "ref": "2015, Ruth Scurr, John Aubrey: My Own Life, page 257",
          "text": "This greatly irritated Mr Hooke and he muttered that Mr Wylde is not worth a whistle'.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Worthless or pointless."
      ],
      "id": "en-not_worth_a_whistle-en-adj-aYI-Ub1h",
      "links": [
        [
          "Worthless",
          "worthless"
        ],
        [
          "pointless",
          "pointless"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Worthless or pointless."
      ],
      "synonyms": [
        {
          "word": "worthless"
        }
      ],
      "tags": [
        "idiomatic",
        "not-comparable"
      ]
    }
  ],
  "word": "not worth a whistle"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "not worth a whistle (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "ref": "1848, Blanchard Jerrold, The disgrace to the family: A story of social distinctions, page 92",
          "text": "We are a set of worthless fellows not worth a whistle.",
          "type": "quotation"
        },
        {
          "ref": "2010, Yuvraj Ramsaroop, Realizing the American Dream",
          "text": "“The life of a Negro in Mississippi is not worth a whistle,” one of the European newspapers reported.",
          "type": "quotation"
        },
        {
          "ref": "2011, Jennifer Lawler, Martial Arts For Dummies",
          "text": "This, of course, is ridiculous, as most people can plainly see, but you'd be surprised at how often otherwise intelligent individuals fail to distinguish between what's worth fighting over and what's not worth a whistle.",
          "type": "quotation"
        },
        {
          "ref": "2015, Ruth Scurr, John Aubrey: My Own Life, page 257",
          "text": "This greatly irritated Mr Hooke and he muttered that Mr Wylde is not worth a whistle'.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Worthless or pointless."
      ],
      "links": [
        [
          "Worthless",
          "worthless"
        ],
        [
          "pointless",
          "pointless"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Worthless or pointless."
      ],
      "synonyms": [
        {
          "word": "worthless"
        }
      ],
      "tags": [
        "idiomatic",
        "not-comparable"
      ]
    }
  ],
  "word": "not worth a whistle"
}