"sit tight" meaning in English

{
  "forms": [
    {
      "form": "sits tight",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "sitting tight",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "sat tight",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "sat tight",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sit<,,sat> tight"
      },
      "expansion": "sit tight (third-person singular simple present sits tight, present participle sitting tight, simple past and past participle sat tight)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "I'll be back in a few minutes, so sit tight while I go find her.",
          "type": "example"
        }
      ],
      "glosses": [
        "To wait patiently; to take no action; to remain quiet or relatively motionless."
      ],
      "id": "en-sit_tight-en-verb-eW1Vvceq",
      "links": [
        [
          "wait",
          "wait"
        ],
        [
          "patiently",
          "patiently"
        ],
        [
          "action",
          "action"
        ],
        [
          "quiet",
          "quiet"
        ],
        [
          "motionless",
          "motionless"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) To wait patiently; to take no action; to remain quiet or relatively motionless."
      ],
      "related": [
        {
          "word": "sleep tight"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-sit tight.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/ce/En-au-sit_tight.ogg/En-au-sit_tight.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/c/ce/En-au-sit_tight.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "sit tight"
}

{
  "forms": [
    {
      "form": "sits tight",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "sitting tight",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "sat tight",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "sat tight",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "sit<,,sat> tight"
      },
      "expansion": "sit tight (third-person singular simple present sits tight, present participle sitting tight, simple past and past participle sat tight)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "word": "sleep tight"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English terms with audio links",
        "English terms with usage examples",
        "English verbs"
      ],
      "examples": [
        {
          "text": "I'll be back in a few minutes, so sit tight while I go find her.",
          "type": "example"
        }
      ],
      "glosses": [
        "To wait patiently; to take no action; to remain quiet or relatively motionless."
      ],
      "links": [
        [
          "wait",
          "wait"
        ],
        [
          "patiently",
          "patiently"
        ],
        [
          "action",
          "action"
        ],
        [
          "quiet",
          "quiet"
        ],
        [
          "motionless",
          "motionless"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) To wait patiently; to take no action; to remain quiet or relatively motionless."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-sit tight.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/ce/En-au-sit_tight.ogg/En-au-sit_tight.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/c/ce/En-au-sit_tight.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "sit tight"
}