"archrival" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "arch",
        "3": "rival"
      },
      "expansion": "arch- + rival",
      "name": "prefix"
    }
  ],
  "etymology_text": "From arch- + rival.",
  "forms": [
    {
      "form": "archrivals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "archrival (plural archrivals)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with arch-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
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          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
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        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Portuguese translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Swedish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Stock characters",
          "orig": "en:Stock characters",
          "parents": [
            "Fictional characters",
            "Fiction",
            "Artistic works",
            "Art",
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "archrivalry"
        }
      ],
      "examples": [
        {
          "text": "The New York Yankees are playing their archrival the Boston Red Sox tonight.",
          "type": "example"
        }
      ],
      "glosses": [
        "A chief rival."
      ],
      "id": "en-archrival-en-noun-8GmRsy5i",
      "links": [
        [
          "rival",
          "rival"
        ]
      ],
      "synonyms": [
        {
          "word": "archcompetitor"
        },
        {
          "word": "arch rival"
        },
        {
          "word": "arch-rival"
        }
      ],
      "translations": [
        {
          "code": "de",
          "lang": "German",
          "sense": "chief rival",
          "tags": [
            "masculine"
          ],
          "word": "Erzrivale"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "chief rival",
          "tags": [
            "feminine"
          ],
          "word": "Erzrivalin"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "chief rival",
          "tags": [
            "feminine",
            "masculine"
          ],
          "word": "arquirrival"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "chief rival",
          "tags": [
            "feminine",
            "masculine"
          ],
          "word": "archirrival"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "chief rival",
          "word": "ärkerival"
        }
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-aɪvəl"
    }
  ],
  "word": "archrival"
}

{
  "derived": [
    {
      "word": "archrivalry"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "arch",
        "3": "rival"
      },
      "expansion": "arch- + rival",
      "name": "prefix"
    }
  ],
  "etymology_text": "From arch- + rival.",
  "forms": [
    {
      "form": "archrivals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "archrival (plural archrivals)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with arch-",
        "English terms with usage examples",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Rhymes:English/aɪvəl",
        "Rhymes:English/aɪvəl/3 syllables",
        "Terms with German translations",
        "Terms with Portuguese translations",
        "Terms with Spanish translations",
        "Terms with Swedish translations",
        "en:Stock characters"
      ],
      "examples": [
        {
          "text": "The New York Yankees are playing their archrival the Boston Red Sox tonight.",
          "type": "example"
        }
      ],
      "glosses": [
        "A chief rival."
      ],
      "links": [
        [
          "rival",
          "rival"
        ]
      ],
      "synonyms": [
        {
          "word": "archcompetitor"
        }
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-aɪvəl"
    }
  ],
  "synonyms": [
    {
      "word": "arch rival"
    },
    {
      "word": "arch-rival"
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "chief rival",
      "tags": [
        "masculine"
      ],
      "word": "Erzrivale"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "chief rival",
      "tags": [
        "feminine"
      ],
      "word": "Erzrivalin"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "chief rival",
      "tags": [
        "feminine",
        "masculine"
      ],
      "word": "arquirrival"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "chief rival",
      "tags": [
        "feminine",
        "masculine"
      ],
      "word": "archirrival"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "chief rival",
      "word": "ärkerival"
    }
  ],
  "word": "archrival"
}