"de tapadillo" meaning in Spanish

{
  "head_templates": [
    {
      "args": {},
      "expansion": "de tapadillo",
      "name": "es-adv"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "he was named in secret",
          "text": "fue nombrado de tapadillo",
          "type": "example"
        },
        {
          "ref": "1995, José Ignacio Madalena Calvo, Programa de diversificación curricular:",
          "text": "O sea, la Constitución se metió en esa Legislatura, que después hemos llamado constituyente, casi de tapadillo",
          "type": "quote"
        }
      ],
      "glosses": [
        "in secret; on the hush-hush"
      ],
      "id": "en-de_tapadillo-es-adv-4zF8FtsJ",
      "links": [
        [
          "on the hush-hush",
          "on the hush-hush"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) in secret; on the hush-hush"
      ],
      "synonyms": [
        {
          "word": "a cencerros tapados"
        },
        {
          "word": "a hurtadillas"
        },
        {
          "word": "de extranjis"
        },
        {
          "word": "a lo zorro"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "de tapadillo"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "de tapadillo",
      "name": "es-adv"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Requests for translations of Spanish quotations",
        "Spanish adverbs",
        "Spanish entries with incorrect language header",
        "Spanish idioms",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish terms with quotations",
        "Spanish terms with usage examples"
      ],
      "examples": [
        {
          "english": "he was named in secret",
          "text": "fue nombrado de tapadillo",
          "type": "example"
        },
        {
          "ref": "1995, José Ignacio Madalena Calvo, Programa de diversificación curricular:",
          "text": "O sea, la Constitución se metió en esa Legislatura, que después hemos llamado constituyente, casi de tapadillo",
          "type": "quote"
        }
      ],
      "glosses": [
        "in secret; on the hush-hush"
      ],
      "links": [
        [
          "on the hush-hush",
          "on the hush-hush"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) in secret; on the hush-hush"
      ],
      "synonyms": [
        {
          "word": "a cencerros tapados"
        },
        {
          "word": "a hurtadillas"
        },
        {
          "word": "de extranjis"
        },
        {
          "word": "a lo zorro"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "de tapadillo"
}