"антикварен" meaning in Bulgarian

{
  "forms": [
    {
      "form": "антиква́рен",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "antikváren",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "bg",
        "2": "adjective form",
        "head": "антиква́рен"
      },
      "expansion": "антиква́рен • (antikváren)",
      "name": "head"
    }
  ],
  "lang": "Bulgarian",
  "lang_code": "bg",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Bulgarian entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "antique (masculine)"
      ],
      "id": "en-антикварен-bg-adj-Teq3Hkfp",
      "links": [
        [
          "antique",
          "antique"
        ]
      ],
      "related": [
        {
          "roman": "antikvárna",
          "word": "антиква́рна"
        },
        {
          "roman": "antíka",
          "word": "анти́ка"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɐntiˈkvarɛn]"
    }
  ],
  "word": "антикварен"
}

{
  "forms": [
    {
      "form": "антиква́рен",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "antikváren",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "bg",
        "2": "adjective form",
        "head": "антиква́рен"
      },
      "expansion": "антиква́рен • (antikváren)",
      "name": "head"
    }
  ],
  "lang": "Bulgarian",
  "lang_code": "bg",
  "pos": "adj",
  "related": [
    {
      "roman": "antikvárna",
      "word": "антиква́рна"
    },
    {
      "roman": "antíka",
      "word": "анти́ка"
    }
  ],
  "senses": [
    {
      "categories": [
        "Bulgarian adjective forms",
        "Bulgarian entries with incorrect language header",
        "Bulgarian non-lemma forms",
        "Bulgarian terms with IPA pronunciation",
        "Pages with 3 entries",
        "Pages with entries"
      ],
      "glosses": [
        "antique (masculine)"
      ],
      "links": [
        [
          "antique",
          "antique"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɐntiˈkvarɛn]"
    }
  ],
  "word": "антикварен"
}