"μάταια" meaning in Greek

{
  "forms": [
    {
      "form": "mátaia",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "adverbs",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "head": "",
        "sort": ""
      },
      "expansion": "μάταια • (mátaia)",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "μάταια • (mátaia)",
      "name": "el-adv"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "adv",
  "senses": [
    {
      "glosses": [
        "in vain"
      ],
      "id": "en-μάταια-el-adv-LseFQXGK",
      "links": [
        [
          "in vain",
          "in vain"
        ]
      ],
      "synonyms": [
        {
          "word": "ματαίως"
        },
        {
          "english": "in vain, unfairly",
          "roman": "ádika",
          "word": "άδικα"
        },
        {
          "english": "in vain, without success",
          "roman": "tou kákou",
          "word": "του κάκου"
        }
      ]
    }
  ],
  "word": "μάταια"
}

{
  "forms": [
    {
      "form": "mátaia",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "adjf"
      },
      "expansion": "μάταια • (mátaia)",
      "name": "head"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "_dis": "63 37",
          "kind": "other",
          "name": "Greek entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "extra": "mátaios",
          "word": "μάταιος"
        }
      ],
      "glosses": [
        "nominative/accusative/vocative neuter plural of μάταιος (mátaios)"
      ],
      "id": "en-μάταια-el-adj-vsM87yAa",
      "links": [
        [
          "μάταιος",
          "μάταιος#Greek"
        ]
      ],
      "tags": [
        "accusative",
        "form-of",
        "neuter",
        "nominative",
        "plural",
        "vocative"
      ]
    }
  ],
  "word": "μάταια"
}

{
  "categories": [
    "Greek adjective forms",
    "Greek adverbs",
    "Greek entries with incorrect language header",
    "Greek lemmas",
    "Greek non-lemma forms",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "mátaia",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "adverbs",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "head": "",
        "sort": ""
      },
      "expansion": "μάταια • (mátaia)",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "μάταια • (mátaia)",
      "name": "el-adv"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "adv",
  "senses": [
    {
      "glosses": [
        "in vain"
      ],
      "links": [
        [
          "in vain",
          "in vain"
        ]
      ],
      "synonyms": [
        {
          "word": "ματαίως"
        }
      ]
    }
  ],
  "synonyms": [
    {
      "english": "in vain, unfairly",
      "roman": "ádika",
      "word": "άδικα"
    },
    {
      "english": "in vain, without success",
      "roman": "tou kákou",
      "word": "του κάκου"
    }
  ],
  "word": "μάταια"
}

{
  "categories": [
    "Greek adjective forms",
    "Greek adverbs",
    "Greek entries with incorrect language header",
    "Greek lemmas",
    "Greek non-lemma forms",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "mátaia",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "adjf"
      },
      "expansion": "μάταια • (mátaia)",
      "name": "head"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "adj",
  "senses": [
    {
      "form_of": [
        {
          "extra": "mátaios",
          "word": "μάταιος"
        }
      ],
      "glosses": [
        "nominative/accusative/vocative neuter plural of μάταιος (mátaios)"
      ],
      "links": [
        [
          "μάταιος",
          "μάταιος#Greek"
        ]
      ],
      "tags": [
        "accusative",
        "form-of",
        "neuter",
        "nominative",
        "plural",
        "vocative"
      ]
    }
  ],
  "word": "μάταια"
}