{
    "term": "undergo",
    "partOfSpeech": "verb",
    "academic": true,
    "ox5000": true,
    "cefr": "b2",
    "verbForms": {
        "presentSimple": {
            "iYouWeThey": "undergo",
            "heSheIt": "undergoes"
        },
        "pastSimple": "underwent",
        "pastParticiple": "undergone",
        "ingForm": "undergoing"
    },
    "definitions": [
        {
            "senseNumber": null,
            "definition": "to experience something, especially a change or something unpleasant",
            "sensetop": "undergo something",
            "examples": [
                {
                    "text": "to **undergo tests/trials/repairs**"
                },
                {
                    "text": "My mother **underwent** major **surgery** last year."
                },
                {
                    "text": "Some children **undergo a** complete **transformation** when they become teenagers."
                },
                {
                    "text": "The drug is currently undergoing trials in America."
                }
            ]
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/ˌʌndəˈɡəʊ/",
                "audio": "un/undergo/undergo__gb_2.mp3"
            },
            {
                "pronunciation": "/ˌʌndəˈɡəʊz/",
                "audio": "un/undergo/undergoes__gb_2.mp3"
            },
            {
                "pronunciation": "/ˌʌndəˈwent/",
                "audio": "un/undergo/underwent__gb_2.mp3"
            },
            {
                "pronunciation": "/ˌʌndəˈɡɒn/",
                "audio": "un/undergo/undergone__gb_2.mp3"
            },
            {
                "pronunciation": "/ˌʌndəˈɡəʊɪŋ/",
                "audio": "un/undergo/undergoing__gb_1.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/ˌʌndərˈɡəʊ/",
                "audio": "un/undergo/undergo__us_1.mp3"
            },
            {
                "pronunciation": "/ˌʌndərˈɡəʊz/",
                "audio": "un/undergo/undergoes__us_1.mp3"
            },
            {
                "pronunciation": "/ˌʌndərˈwent/",
                "audio": "un/undergo/underwent__us_1.mp3"
            },
            {
                "pronunciation": "/ˌʌndərˈɡɔːn/",
                "audio": "un/undergo/undergone__us_1_rr.mp3"
            },
            {
                "pronunciation": "/ˌʌndərˈɡəʊɪŋ/",
                "audio": "un/undergo/undergoing__us_1.mp3"
            }
        ]
    },
    "wordOrigin": "Old English undergān ‘undermine’ (see under-, go)."
}