"off the air" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
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      "antonyms": [
        {
          "word": "on the air"
        }
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Broadcasting",
          "orig": "en:Broadcasting",
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            "Media",
            "Telecommunications",
            "Communication",
            "Technology",
            "All topics",
            "Fundamental"
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      ],
      "glosses": [
        "Synonym of off air."
      ],
      "id": "en-off_the_air-en-prep_phrase-MTjD1YHl",
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        [
          "broadcasting",
          "broadcasting#Noun"
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        [
          "off air",
          "off air#English"
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      "raw_glosses": [
        "(broadcasting) Synonym of off air."
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
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          "word": "off air"
        },
        {
          "tags": [
            "attributive",
            "especially"
          ],
          "word": "off-the-air"
        }
      ],
      "topics": [
        "broadcasting",
        "media"
      ]
    }
  ],
  "word": "off the air"
}

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      "expansion": "off the air",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
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        {
          "word": "on the air"
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      "glosses": [
        "Synonym of off air."
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          "off air",
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      "raw_glosses": [
        "(broadcasting) Synonym of off air."
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          "word": "off air"
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        "broadcasting",
        "media"
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  "synonyms": [
    {
      "tags": [
        "attributive",
        "especially"
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      "word": "off-the-air"
    }
  ],
  "word": "off the air"
}