{
    "term": "boundary",
    "partOfSpeech": "noun",
    "ox5000": true,
    "cefr": "c1",
    "definitions": [
        {
            "senseNumber": 1,
            "definition": "a real or imagined line that marks the limits or edges of something and separates it from other things or places; a dividing line",
            "labels": "(British English)(British English)",
            "cefr": "c1",
            "examples": [
                {
                    "text": "After the war the national boundaries were redrawn."
                },
                {
                    "text": "county boundaries"
                },
                {
                    "text": "**boundary changes/disputes**"
                },
                {
                    "text": "The fence marks the boundary between my property and hers."
                },
                {
                    "text": "Scientists continue to **push back the boundaries** of human knowledge."
                },
                {
                    "text": "It is up to the teacher to set the boundary between acceptable and unacceptable behaviour."
                },
                {
                    "text": "He could just see her beyond the boundary wall of the cemetery."
                },
                {
                    "text": "to extend the boundaries of high art to include some popular music"
                },
                {
                    "text": "His policies appeal across party political boundaries."
                },
                {
                    "text": "In her performance she had clearly overstepped the boundaries of good taste."
                },
                {
                    "text": "She had never strayed beyond the city boundaries."
                },
                {
                    "text": "The internet has blurred the boundary between news and entertainment."
                },
                {
                    "text": "The boundary was fixed just south of the farm."
                },
                {
                    "text": "The river forms the boundary."
                },
                {
                    "text": "The state has a boundary with Ontario."
                },
                {
                    "text": "They drove across the boundary."
                },
                {
                    "text": "This goes beyond the boundaries of what is accepted."
                },
                {
                    "text": "This job crosses the traditional boundary between social work and healthcare."
                },
                {
                    "text": "We continued along the southern boundary of the county."
                },
                {
                    "text": "We had to stop at the boundary."
                },
                {
                    "text": "We've just crossed the boundary into Sussex."
                },
                {
                    "text": "a boundary dispute with their neighbours"
                },
                {
                    "text": "keeping within the boundaries of the law"
                },
                {
                    "text": "on the boundary of physics and chemistry"
                },
                {
                    "text": "research which extends the boundaries of human knowledge"
                },
                {
                    "text": "the boundary between Sussex and Surrey"
                },
                {
                    "text": "within the boundaries of the old city walls"
                }
            ],
            "topics": ["Gardens"],
            "collocations": {
                "adjective": ["common", "northern", "southern"],
                "verb + boundary": ["have", "form", "mark"],
                "boundary + noun": ["fence", "hedge", "line"],
                "preposition": [
                    "across the boundary",
                    "over the boundary",
                    "along the boundary"
                ]
            }
        },
        {
            "senseNumber": 2,
            "definition": "a hit of the ball that crosses the boundary of the playing area and scores extra points",
            "cefr": "c2",
            "examples": [
                {
                    "text": "He hit 13 boundaries from 183 balls."
                }
            ],
            "topics": ["Sports: ball and racket sports"]
        },
        {
            "senseNumber": null,
            "definition": "to attempt to go beyond what is allowed or thought to be possible",
            "examples": [
                {
                    "text": "We aim to push the boundaries of what we can achieve."
                },
                {
                    "text": "She pushes her physical limits through various endurance challenges."
                }
            ]
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/ˈbaʊndri/",
                "audio": "bo/boundary/boundary__gb_1.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/ˈbaʊndri/",
                "audio": "bo/boundary/boundary__us_1.mp3"
            }
        ]
    },
    "wordOrigin": "early 17th cent.: variant of dialect bounder, from bound ‘boundary’ + -er, perhaps on the pattern of limitary."
}