{
    "term": "unknown",
    "partOfSpeech": "adjective",
    "ox3000": true,
    "cefr": "b2",
    "definitions": [
        {
            "senseNumber": 1,
            "definition": "not known or identified",
            "sensetop": "unknown to somebody/something",
            "cefr": "b2",
            "ox3000": true,
            "examples": [
                {
                    "text": "A **previously unknown** group claimed responsibility for the bombing."
                },
                {
                    "text": "He was trying, **for some unknown reason**, to count the stars."
                },
                {
                    "text": "The man's identity **remains unknown**."
                },
                {
                    "text": "An **unknown number** of civilians were killed or injured in the attack."
                },
                {
                    "text": "patients suffering from fevers of unknown origin"
                },
                {
                    "text": "a species of insect hitherto unknown to science",
                    "contextForm": "unknown to somebody/something"
                },
                {
                    "text": "His whereabouts were quite unknown during this period."
                },
                {
                    "text": "She departed for parts unknown (= nobody knew where she was going)."
                },
                {
                    "text": "These sites remain largely unknown to the British public."
                }
            ],
            "collocations": {
                "verbs": ["be", "remain"],
                "adverb": ["completely", "entirely", "quite"],
                "preposition": ["to"],
                "phrases": [
                    "for parts unknown",
                    "to parts unknown",
                    "for reasons unknown"
                ]
            }
        },
        {
            "senseNumber": 2,
            "definition": "not famous or well known",
            "cefr": "b2",
            "ox3000": true,
            "examples": [
                {
                    "text": "She was then still **relatively unknown**."
                },
                {
                    "text": "The author is **virtually unknown** outside Poland."
                },
                {
                    "text": "a film with a **largely unknown** cast"
                },
                {
                    "text": "an unknown actor"
                }
            ],
            "collocations": {
                "verbs": ["be", "remain"],
                "adverb": ["completely", "entirely", "quite"],
                "preposition": ["to"],
                "phrases": [
                    "for parts unknown",
                    "to parts unknown",
                    "for reasons unknown"
                ]
            }
        },
        {
            "senseNumber": 3,
            "definition": "never happening or existing",
            "sensetop": "unknown in…it is unknown for somebody/something to do something",
            "cefr": "b2",
            "ox3000": true,
            "examples": [
                {
                    "text": "The disease is as yet unknown in Europe *(= there have been no cases there)*.",
                    "contextForm": "unknown in…"
                },
                {
                    "text": "It was **not unknown** for people to have to wait several hours *(= it happened sometimes)*.",
                    "contextForm": "it is unknown for somebody/something to do something"
                },
                {
                    "text": "It is virtually unknown for foxes to attack anyone."
                },
                {
                    "text": "a period of democratic development unknown in their country until now"
                }
            ],
            "collocations": {
                "verbs": ["be", "remain"],
                "adverb": ["completely", "entirely", "quite"],
                "preposition": ["to"],
                "phrases": [
                    "for parts unknown",
                    "to parts unknown",
                    "for reasons unknown"
                ]
            }
        },
        {
            "senseNumber": null,
            "definition": "a person or thing whose qualities or abilities are not yet known",
            "examples": []
        },
        {
            "senseNumber": null,
            "definition": "without the person mentioned being aware of it",
            "examples": [
                {
                    "text": "Unknown to me, he had already signed the agreement."
                }
            ]
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/ˌʌnˈnəʊn/",
                "audio": "un/unknown/unknown__gb_1.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/ˌʌnˈnəʊn/",
                "audio": "un/unknown/unknown__us_1.mp3"
            }
        ]
    },
    "wordOrigin": null
}