"all too" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "all too (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Teenage pregnancies are all too common in the UK.",
          "type": "example"
        },
        {
          "text": "Sexism is all too familiar in this department.",
          "type": "example"
        },
        {
          "text": "They were all too ready to sell their stories to the press.",
          "type": "example"
        },
        {
          "text": "It was over all too soon.",
          "type": "example"
        },
        {
          "ref": "2020 October 15, Frank Pasquale, “‘Machines set loose to slaughter’: the dangerous rise of military AI”, in The Guardian",
          "text": "a robot will not be subject to all-too-human fits of anger, sadism or cruelty.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Very, extremely; excessively (but lamentably)."
      ],
      "id": "en-all_too-en-adv-7jLjVlcY",
      "links": [
        [
          "Very",
          "very"
        ],
        [
          "excessively",
          "excessively"
        ]
      ],
      "related": [
        {
          "word": "all to"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "all too"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "all too (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "related": [
    {
      "word": "all to"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adverbs",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English terms with usage examples",
        "English uncomparable adverbs"
      ],
      "examples": [
        {
          "text": "Teenage pregnancies are all too common in the UK.",
          "type": "example"
        },
        {
          "text": "Sexism is all too familiar in this department.",
          "type": "example"
        },
        {
          "text": "They were all too ready to sell their stories to the press.",
          "type": "example"
        },
        {
          "text": "It was over all too soon.",
          "type": "example"
        },
        {
          "ref": "2020 October 15, Frank Pasquale, “‘Machines set loose to slaughter’: the dangerous rise of military AI”, in The Guardian",
          "text": "a robot will not be subject to all-too-human fits of anger, sadism or cruelty.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Very, extremely; excessively (but lamentably)."
      ],
      "links": [
        [
          "Very",
          "very"
        ],
        [
          "excessively",
          "excessively"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "all too"
}