"mm-mm" meaning in All languages combined

{
  "antonyms": [
    {
      "word": "mhm"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "uh-uh"
      },
      "expansion": "uh-uh",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "um"
      },
      "expansion": "um",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "hem",
        "pos": "expression of hesitation"
      },
      "expansion": "hem (expression of hesitation)",
      "name": "m"
    }
  ],
  "etymology_text": "Nasalized form of uh-uh; see fuller etymology there. Compare um, hem (expression of hesitation).",
  "head_templates": [
    {
      "args": {},
      "expansion": "mm-mm",
      "name": "en-interj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2008, M.J. Fredrick, Where There's Smoke",
          "text": "\"Need some help?\" She shook her head. “Mm-mm.”",
          "type": "quotation"
        },
        {
          "ref": "2009, Michael Batdorf, Pair of Jacks: A Novel, page 112",
          "text": "“Mm-mm,” I mumble, shaking my head.",
          "type": "quotation"
        },
        {
          "ref": "2013, Allison Leotta, Speak of the Devil: A Novel, page 250",
          "text": "Mia cocked her head. “This is my fiancé's second wedding. He has a daughter. So I'm not sure if I should wear something . . . more second-wedding-ish? Like a white suit?” “Mm-mm.” Mia shook her head.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "no"
      ],
      "id": "en-mm-mm-en-intj-k5Apjz-w",
      "links": [
        [
          "no",
          "no"
        ]
      ],
      "synonyms": [
        {
          "word": "uh-uh"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈm.m/"
    },
    {
      "ipa": "[ˈ(ʔ)ḿ̩.ʔm̩̀]"
    },
    {
      "audio": "en-us-mmmm.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/ea/En-us-mmmm.ogg/En-us-mmmm.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/e/ea/En-us-mmmm.ogg",
      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "word": "mm-mm"
}

{
  "antonyms": [
    {
      "word": "mhm"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "uh-uh"
      },
      "expansion": "uh-uh",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "um"
      },
      "expansion": "um",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "hem",
        "pos": "expression of hesitation"
      },
      "expansion": "hem (expression of hesitation)",
      "name": "m"
    }
  ],
  "etymology_text": "Nasalized form of uh-uh; see fuller etymology there. Compare um, hem (expression of hesitation).",
  "head_templates": [
    {
      "args": {},
      "expansion": "mm-mm",
      "name": "en-interj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English interjections",
        "English lemmas",
        "English multiword terms",
        "English terms with IPA pronunciation",
        "English terms with audio links",
        "English terms with quotations",
        "English words without vowels"
      ],
      "examples": [
        {
          "ref": "2008, M.J. Fredrick, Where There's Smoke",
          "text": "\"Need some help?\" She shook her head. “Mm-mm.”",
          "type": "quotation"
        },
        {
          "ref": "2009, Michael Batdorf, Pair of Jacks: A Novel, page 112",
          "text": "“Mm-mm,” I mumble, shaking my head.",
          "type": "quotation"
        },
        {
          "ref": "2013, Allison Leotta, Speak of the Devil: A Novel, page 250",
          "text": "Mia cocked her head. “This is my fiancé's second wedding. He has a daughter. So I'm not sure if I should wear something . . . more second-wedding-ish? Like a white suit?” “Mm-mm.” Mia shook her head.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "no"
      ],
      "links": [
        [
          "no",
          "no"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈm.m/"
    },
    {
      "ipa": "[ˈ(ʔ)ḿ̩.ʔm̩̀]"
    },
    {
      "audio": "en-us-mmmm.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/ea/En-us-mmmm.ogg/En-us-mmmm.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/e/ea/En-us-mmmm.ogg",
      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "synonyms": [
    {
      "word": "uh-uh"
    }
  ],
  "word": "mm-mm"
}