"לא" meaning in Yiddish

{
  "etymology_templates": [
    {
      "args": {
        "1": "yi",
        "2": "he",
        "3": "לא"
      },
      "expansion": "Hebrew לא",
      "name": "bor"
    }
  ],
  "etymology_text": "From Hebrew לא.",
  "forms": [
    {
      "form": "loy",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "tr": "loy"
      },
      "expansion": "לא • (loy)",
      "name": "yi-adv"
    }
  ],
  "lang": "Yiddish",
  "lang_code": "yi",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Yiddish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Yiddish terms with non-redundant manual transliterations",
          "parents": [
            "Terms with non-redundant manual transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "Not enough (that)",
          "roman": "loy-day",
          "word": "לא-די"
        },
        {
          "english": "Hush money; usually with -געלט)",
          "roman": "loy-yekhrets",
          "word": "לא-יחרץ"
        },
        {
          "english": "Good-for-nothing; ne'er-do-well)",
          "roman": "loy-yutslekh",
          "word": "לא-ױצח"
        }
      ],
      "examples": [
        {
          "english": "\"No with an א; absolutely not\"",
          "ref": "1998, Steven A. Jacobson, quotee, A Guide to the More Common Hebraic Words in Yiddish, Fairbanks, AK, page 91:",
          "roman": "\"loy mit an alef\"",
          "text": "“לא מיט אַן אַלף“",
          "type": "quote"
        },
        {
          "english": "\"Neither bears nor woods; entirely untrue\"",
          "ref": "1998, Steven A. Jacobson, quotee, A Guide to the More Common Hebraic Words in Yiddish, Fairbanks, AK, page 91:",
          "roman": "\"loy dubim veloy iar\"",
          "text": "“לא דובים ולא יער“",
          "type": "quote"
        },
        {
          "english": "\"There is no such thing.\"",
          "ref": "1998, Steven A. Jacobson, quotee, A Guide to the More Common Hebraic Words in Yiddish, Fairbanks, AK, page 91:",
          "roman": "\"loy hoyo veloy nivro\"",
          "text": "“לא היה ולא נבֿרא“",
          "type": "quote"
        }
      ],
      "glosses": [
        "no, not so"
      ],
      "id": "en-לא-yi-adv--31IVOoL",
      "links": [
        [
          "no",
          "no"
        ],
        [
          "not",
          "not"
        ],
        [
          "so",
          "so"
        ]
      ],
      "synonyms": [
        {
          "word": "ניין"
        }
      ]
    }
  ],
  "word": "לא"
}

{
  "derived": [
    {
      "english": "Not enough (that)",
      "roman": "loy-day",
      "word": "לא-די"
    },
    {
      "english": "Hush money; usually with -געלט)",
      "roman": "loy-yekhrets",
      "word": "לא-יחרץ"
    },
    {
      "english": "Good-for-nothing; ne'er-do-well)",
      "roman": "loy-yutslekh",
      "word": "לא-ױצח"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "yi",
        "2": "he",
        "3": "לא"
      },
      "expansion": "Hebrew לא",
      "name": "bor"
    }
  ],
  "etymology_text": "From Hebrew לא.",
  "forms": [
    {
      "form": "loy",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "tr": "loy"
      },
      "expansion": "לא • (loy)",
      "name": "yi-adv"
    }
  ],
  "lang": "Yiddish",
  "lang_code": "yi",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Pages with 3 entries",
        "Pages with entries",
        "Yiddish adverbs",
        "Yiddish entries with incorrect language header",
        "Yiddish lemmas",
        "Yiddish terms borrowed from Hebrew",
        "Yiddish terms derived from Hebrew",
        "Yiddish terms with non-redundant manual transliterations",
        "Yiddish terms with quotations"
      ],
      "examples": [
        {
          "english": "\"No with an א; absolutely not\"",
          "ref": "1998, Steven A. Jacobson, quotee, A Guide to the More Common Hebraic Words in Yiddish, Fairbanks, AK, page 91:",
          "roman": "\"loy mit an alef\"",
          "text": "“לא מיט אַן אַלף“",
          "type": "quote"
        },
        {
          "english": "\"Neither bears nor woods; entirely untrue\"",
          "ref": "1998, Steven A. Jacobson, quotee, A Guide to the More Common Hebraic Words in Yiddish, Fairbanks, AK, page 91:",
          "roman": "\"loy dubim veloy iar\"",
          "text": "“לא דובים ולא יער“",
          "type": "quote"
        },
        {
          "english": "\"There is no such thing.\"",
          "ref": "1998, Steven A. Jacobson, quotee, A Guide to the More Common Hebraic Words in Yiddish, Fairbanks, AK, page 91:",
          "roman": "\"loy hoyo veloy nivro\"",
          "text": "“לא היה ולא נבֿרא“",
          "type": "quote"
        }
      ],
      "glosses": [
        "no, not so"
      ],
      "links": [
        [
          "no",
          "no"
        ],
        [
          "not",
          "not"
        ],
        [
          "so",
          "so"
        ]
      ],
      "synonyms": [
        {
          "word": "ניין"
        }
      ]
    }
  ],
  "word": "לא"
}