{
    "term": "underground",
    "partOfSpeech": "adjective",
    "ox3000": true,
    "cefr": "a2",
    "definitions": [
        {
            "senseNumber": 1,
            "definition": "under the surface of the ground",
            "cefr": "a2",
            "ox3000": true,
            "examples": [
                {
                    "text": "an underground bunker/tunnel"
                },
                {
                    "text": "underground parking"
                },
                {
                    "text": "an underground car park"
                },
                {
                    "text": "underground passages/caves/streams"
                },
                {
                    "text": "underground cables"
                },
                {
                    "text": "They carried out a series of underground nuclear tests."
                }
            ]
        },
        {
            "senseNumber": 2,
            "definition": "operating secretly and often illegally, especially against a government",
            "cefr": "c2",
            "examples": [
                {
                    "text": "an underground resistance movement"
                },
                {
                    "text": "The changes will affect all workers, whether underground or legal."
                },
                {
                    "text": "The party was originally formed as an underground organization in 1987."
                }
            ],
            "topics": ["War and conflict", "Crime and punishment"]
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/ˌʌndəˈɡraʊnd/",
                "audio": "un/underground/underground__gb_1.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/ˌʌndərˈɡraʊnd/",
                "audio": "un/underground/underground__us_5.mp3"
            }
        ]
    },
    "wordOrigin": null
}