"mayn't" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "may",
        "3": "n't"
      },
      "expansion": "may + -n't",
      "name": "suffix"
    }
  ],
  "etymology_text": "may + -n't",
  "forms": [
    {
      "form": "mayn't",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "mightn't",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mayn't",
        "2": "-",
        "3": "mightn't",
        "4": "-",
        "past_ptc2": "moughtn't",
        "past_ptc2_qual": "obsolete"
      },
      "expansion": "mayn't (third-person singular simple present mayn't, no present participle, simple past mightn't, no past participle)",
      "name": "en-verb"
    }
  ],
  "hyphenation": [
    "may‧n't"
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "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 entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -n't",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "can't"
        },
        {
          "word": "couldn't"
        },
        {
          "word": "mightn't"
        },
        {
          "word": "oughtn't"
        },
        {
          "word": "shan't"
        },
        {
          "word": "shouldn't"
        },
        {
          "word": "won't"
        },
        {
          "word": "wouldn't"
        }
      ],
      "examples": [
        {
          "ref": "1861, George Eliot, chapter 17, in Silas Marner",
          "text": "\"Now, father,\" said Nancy, \"is there any call for you to go home to tea? Mayn't you just as well stay with us?--such a beautiful evening as it's likely to be.\"",
          "type": "quotation"
        },
        {
          "ref": "1914, Saki, The Romancers",
          "text": "You mayn't hardly believe it, but at the present moment I am absolutely without a farthing.",
          "type": "quotation"
        },
        {
          "ref": "1930, H. P. Lovecraft, Madusa's Coil",
          "text": "I can't help about other people. But I surely would like to have a spot to stop till daylight. Still - if people don't relish this place, mayn't it be because it's getting so run-down?",
          "type": "quotation"
        }
      ],
      "glosses": [
        "may not (negative auxiliary)"
      ],
      "id": "en-mayn't-en-verb-p9EOsDzp",
      "links": [
        [
          "may",
          "may"
        ],
        [
          "not",
          "not"
        ]
      ],
      "raw_glosses": [
        "(colloquial, now rare, dated) may not (negative auxiliary)"
      ],
      "tags": [
        "archaic",
        "colloquial",
        "dated",
        "no-past-participle",
        "no-present-participle"
      ],
      "translations": [
        {
          "code": "mi",
          "lang": "Maori",
          "sense": "contraction of \"may not\", might not",
          "word": "kei kore"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/meɪnt/"
    },
    {
      "ipa": "/ˈmeɪ.ənt/"
    },
    {
      "rhymes": "-eɪnt"
    },
    {
      "rhymes": "-eɪənt"
    },
    {
      "audio": "LL-Q1860 (eng)-Persent101-mayn't.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/9f/LL-Q1860_%28eng%29-Persent101-mayn%26%2339%3Bt.wav/LL-Q1860_%28eng%29-Persent101-mayn%26%2339%3Bt.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/9f/LL-Q1860_%28eng%29-Persent101-mayn%26%2339%3Bt.wav/LL-Q1860_%28eng%29-Persent101-mayn%26%2339%3Bt.wav.ogg",
      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "word": "mayn't"
}

{
  "coordinate_terms": [
    {
      "word": "can't"
    },
    {
      "word": "couldn't"
    },
    {
      "word": "mightn't"
    },
    {
      "word": "oughtn't"
    },
    {
      "word": "shan't"
    },
    {
      "word": "shouldn't"
    },
    {
      "word": "won't"
    },
    {
      "word": "wouldn't"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "may",
        "3": "n't"
      },
      "expansion": "may + -n't",
      "name": "suffix"
    }
  ],
  "etymology_text": "may + -n't",
  "forms": [
    {
      "form": "mayn't",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "mightn't",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mayn't",
        "2": "-",
        "3": "mightn't",
        "4": "-",
        "past_ptc2": "moughtn't",
        "past_ptc2_qual": "obsolete"
      },
      "expansion": "mayn't (third-person singular simple present mayn't, no present participle, simple past mightn't, no past participle)",
      "name": "en-verb"
    }
  ],
  "hyphenation": [
    "may‧n't"
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English 1-syllable words",
        "English 2-syllable words",
        "English auxiliary verb forms",
        "English colloquialisms",
        "English contractions",
        "English dated terms",
        "English defective verbs",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English lemmas",
        "English terms suffixed with -n't",
        "English terms with IPA pronunciation",
        "English terms with audio links",
        "English terms with non-redundant non-automated sortkeys",
        "English terms with quotations",
        "English terms with rare senses",
        "English verbs",
        "Quotation templates to be cleaned",
        "Rhymes:English/eɪnt",
        "Rhymes:English/eɪnt/1 syllable",
        "Rhymes:English/eɪənt",
        "Rhymes:English/eɪənt/2 syllables"
      ],
      "examples": [
        {
          "ref": "1861, George Eliot, chapter 17, in Silas Marner",
          "text": "\"Now, father,\" said Nancy, \"is there any call for you to go home to tea? Mayn't you just as well stay with us?--such a beautiful evening as it's likely to be.\"",
          "type": "quotation"
        },
        {
          "ref": "1914, Saki, The Romancers",
          "text": "You mayn't hardly believe it, but at the present moment I am absolutely without a farthing.",
          "type": "quotation"
        },
        {
          "ref": "1930, H. P. Lovecraft, Madusa's Coil",
          "text": "I can't help about other people. But I surely would like to have a spot to stop till daylight. Still - if people don't relish this place, mayn't it be because it's getting so run-down?",
          "type": "quotation"
        }
      ],
      "glosses": [
        "may not (negative auxiliary)"
      ],
      "links": [
        [
          "may",
          "may"
        ],
        [
          "not",
          "not"
        ]
      ],
      "raw_glosses": [
        "(colloquial, now rare, dated) may not (negative auxiliary)"
      ],
      "tags": [
        "archaic",
        "colloquial",
        "dated",
        "no-past-participle",
        "no-present-participle"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/meɪnt/"
    },
    {
      "ipa": "/ˈmeɪ.ənt/"
    },
    {
      "rhymes": "-eɪnt"
    },
    {
      "rhymes": "-eɪənt"
    },
    {
      "audio": "LL-Q1860 (eng)-Persent101-mayn't.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/9f/LL-Q1860_%28eng%29-Persent101-mayn%26%2339%3Bt.wav/LL-Q1860_%28eng%29-Persent101-mayn%26%2339%3Bt.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/9f/LL-Q1860_%28eng%29-Persent101-mayn%26%2339%3Bt.wav/LL-Q1860_%28eng%29-Persent101-mayn%26%2339%3Bt.wav.ogg",
      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "translations": [
    {
      "code": "mi",
      "lang": "Maori",
      "sense": "contraction of \"may not\", might not",
      "word": "kei kore"
    }
  ],
  "word": "mayn't"
}