"run afoul" meaning in English

{
  "forms": [
    {
      "form": "runs afoul",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "running afoul",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "ran afoul",
      "tags": [
        "past"
      ]
    },
    {
      "form": "run afoul",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "run<,,ran,run> afoul"
      },
      "expansion": "run afoul (third-person singular simple present runs afoul, present participle running afoul, simple past ran afoul, past participle run afoul)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Nautical",
          "orig": "en:Nautical",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1857, Thomas Jefferson Farnham, Life, Adventures, and Travels in California, page 407",
          "text": "At last we hove in sight of the Pacific, and run afoul one of those villainous head winds which you know often set into the west end of the Straits.",
          "type": "quotation"
        },
        {
          "ref": "1995, James Laurence Pelletier, Mariner's Employment Guide, page 514",
          "text": "Propellers can run afoul in heavy seaweed, and ships are said to be afoul when they collide.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To become entangled or in conflict with."
      ],
      "id": "en-run_afoul-en-verb-KgmUZQC~",
      "links": [
        [
          "nautical",
          "nautical"
        ]
      ],
      "raw_glosses": [
        "(transitive, intransitive, nautical) To become entangled or in conflict with."
      ],
      "related": [
        {
          "word": "run afoul of"
        }
      ],
      "tags": [
        "intransitive",
        "transitive"
      ],
      "topics": [
        "nautical",
        "transport"
      ]
    }
  ],
  "word": "run afoul"
}

{
  "forms": [
    {
      "form": "runs afoul",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "running afoul",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "ran afoul",
      "tags": [
        "past"
      ]
    },
    {
      "form": "run afoul",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "run<,,ran,run> afoul"
      },
      "expansion": "run afoul (third-person singular simple present runs afoul, present participle running afoul, simple past ran afoul, past participle run afoul)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "word": "run afoul of"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English intransitive verbs",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English transitive verbs",
        "English verbs",
        "en:Nautical"
      ],
      "examples": [
        {
          "ref": "1857, Thomas Jefferson Farnham, Life, Adventures, and Travels in California, page 407",
          "text": "At last we hove in sight of the Pacific, and run afoul one of those villainous head winds which you know often set into the west end of the Straits.",
          "type": "quotation"
        },
        {
          "ref": "1995, James Laurence Pelletier, Mariner's Employment Guide, page 514",
          "text": "Propellers can run afoul in heavy seaweed, and ships are said to be afoul when they collide.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To become entangled or in conflict with."
      ],
      "links": [
        [
          "nautical",
          "nautical"
        ]
      ],
      "raw_glosses": [
        "(transitive, intransitive, nautical) To become entangled or in conflict with."
      ],
      "tags": [
        "intransitive",
        "transitive"
      ],
      "topics": [
        "nautical",
        "transport"
      ]
    }
  ],
  "word": "run afoul"
}