"既読スルー" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "既%読",
        "2": "き%どく",
        "3": "スルー",
        "t1": "read",
        "t2": "ignoring"
      },
      "expansion": "既(き)読(どく) (kidoku, “read”) + スルー (surū, “ignoring”)",
      "name": "ja-compound"
    }
  ],
  "etymology_text": "From 既(き)読(どく) (kidoku, “read”) + スルー (surū, “ignoring”). The LINE messaging application displays the read status of a message to its sender.",
  "forms": [
    {
      "form": "既読スルー",
      "ruby": [
        [
          "既",
          "き"
        ],
        [
          "読",
          "どく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kidoku surū",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "きどく スルー"
      },
      "expansion": "既(き)読(どく)スルー • (kidoku surū)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant manual transliterations",
          "parents": [
            "Terms with non-redundant manual transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "leaving someone on read"
      ],
      "id": "en-既読スルー-ja-noun-QNI99nTq",
      "links": [
        [
          "leaving someone on read",
          "leave someone on read"
        ]
      ],
      "qualifier": "messaging",
      "raw_glosses": [
        "(messaging) leaving someone on read"
      ],
      "related": [
        {
          "roman": "yǐdúbùhuí",
          "tags": [
            "Chinese"
          ],
          "word": "已讀不回"
        },
        {
          "roman": "yǐdúbùhuí",
          "tags": [
            "Chinese"
          ],
          "word": "已读不回"
        }
      ],
      "synonyms": [
        {
          "roman": "kidoku mushi",
          "ruby": [
            [
              "既",
              "き"
            ],
            [
              "読",
              "どく"
            ],
            [
              "無",
              "む"
            ],
            [
              "視",
              "し"
            ]
          ],
          "word": "既読無視"
        },
        {
          "tags": [
            "abbreviation"
          ],
          "word": "KS"
        }
      ],
      "wikipedia": [
        "Line (software)"
      ]
    }
  ],
  "word": "既読スルー"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "既%読",
        "2": "き%どく",
        "3": "スルー",
        "t1": "read",
        "t2": "ignoring"
      },
      "expansion": "既(き)読(どく) (kidoku, “read”) + スルー (surū, “ignoring”)",
      "name": "ja-compound"
    }
  ],
  "etymology_text": "From 既(き)読(どく) (kidoku, “read”) + スルー (surū, “ignoring”). The LINE messaging application displays the read status of a message to its sender.",
  "forms": [
    {
      "form": "既読スルー",
      "ruby": [
        [
          "既",
          "き"
        ],
        [
          "読",
          "どく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kidoku surū",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "きどく スルー"
      },
      "expansion": "既(き)読(どく)スルー • (kidoku surū)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "related": [
    {
      "roman": "yǐdúbùhuí",
      "tags": [
        "Chinese"
      ],
      "word": "已讀不回"
    },
    {
      "roman": "yǐdúbùhuí",
      "tags": [
        "Chinese"
      ],
      "word": "已读不回"
    }
  ],
  "senses": [
    {
      "categories": [
        "Japanese compound terms",
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms with non-redundant manual transliterations",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with two Han script characters"
      ],
      "glosses": [
        "leaving someone on read"
      ],
      "links": [
        [
          "leaving someone on read",
          "leave someone on read"
        ]
      ],
      "qualifier": "messaging",
      "raw_glosses": [
        "(messaging) leaving someone on read"
      ],
      "wikipedia": [
        "Line (software)"
      ]
    }
  ],
  "synonyms": [
    {
      "roman": "kidoku mushi",
      "ruby": [
        [
          "既",
          "き"
        ],
        [
          "読",
          "どく"
        ],
        [
          "無",
          "む"
        ],
        [
          "視",
          "し"
        ]
      ],
      "word": "既読無視"
    },
    {
      "tags": [
        "abbreviation"
      ],
      "word": "KS"
    }
  ],
  "word": "既読スルー"
}