"run up on" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "run up",
        "3": "on",
        "nocat": "1"
      },
      "expansion": "run up + on",
      "name": "af"
    }
  ],
  "etymology_text": "From run up + on.",
  "forms": [
    {
      "form": "runs up on",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "running up on",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "ran up on",
      "tags": [
        "past"
      ]
    },
    {
      "form": "run up on",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "run<,,ran,run> up on"
      },
      "expansion": "run up on (third-person singular simple present runs up on, present participle running up on, simple past ran up on, past participle run up on)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "_dis": "88 12",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "80 20",
          "kind": "other",
          "name": "English phrasal verbs with particle (on)",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "80 20",
          "kind": "other",
          "name": "English phrasal verbs with particle (up)",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "Hey, don't run up on me like that while my back's turned...I might accidentally deck you."
        }
      ],
      "glosses": [
        "To approach with speed or forceful intensity"
      ],
      "id": "en-run_up_on-en-verb-xL2t0e0s",
      "links": [
        [
          "approach",
          "approach"
        ],
        [
          "speed",
          "speed"
        ],
        [
          "intensity",
          "intensity"
        ]
      ],
      "raw_glosses": [
        "(transitive) To approach with speed or forceful intensity"
      ],
      "tags": [
        "transitive"
      ]
    },
    {
      "categories": [],
      "glosses": [
        "To confront with hostility"
      ],
      "id": "en-run_up_on-en-verb-RBvykGjo",
      "links": [
        [
          "confront",
          "confront"
        ],
        [
          "hostility",
          "hostility"
        ]
      ],
      "raw_glosses": [
        "(transitive) To confront with hostility"
      ],
      "tags": [
        "transitive"
      ]
    }
  ],
  "word": "run up on"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English phrasal verbs",
    "English phrasal verbs with particle (on)",
    "English phrasal verbs with particle (up)",
    "English verbs"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "run up",
        "3": "on",
        "nocat": "1"
      },
      "expansion": "run up + on",
      "name": "af"
    }
  ],
  "etymology_text": "From run up + on.",
  "forms": [
    {
      "form": "runs up on",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "running up on",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "ran up on",
      "tags": [
        "past"
      ]
    },
    {
      "form": "run up on",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "run<,,ran,run> up on"
      },
      "expansion": "run up on (third-person singular simple present runs up on, present participle running up on, simple past ran up on, past participle run up on)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English transitive verbs"
      ],
      "examples": [
        {
          "text": "Hey, don't run up on me like that while my back's turned...I might accidentally deck you."
        }
      ],
      "glosses": [
        "To approach with speed or forceful intensity"
      ],
      "links": [
        [
          "approach",
          "approach"
        ],
        [
          "speed",
          "speed"
        ],
        [
          "intensity",
          "intensity"
        ]
      ],
      "raw_glosses": [
        "(transitive) To approach with speed or forceful intensity"
      ],
      "tags": [
        "transitive"
      ]
    },
    {
      "categories": [
        "English transitive verbs"
      ],
      "glosses": [
        "To confront with hostility"
      ],
      "links": [
        [
          "confront",
          "confront"
        ],
        [
          "hostility",
          "hostility"
        ]
      ],
      "raw_glosses": [
        "(transitive) To confront with hostility"
      ],
      "tags": [
        "transitive"
      ]
    }
  ],
  "word": "run up on"
}