"talk down to" meaning in English

{
  "etymology_text": ": talk down to < → δείτε τις λέξεις talk, down και to",
  "forms": [
    {
      "form": "talk down to"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "examples": [
        {
          "text": "What did the foolish man mean by talking down to us?",
          "translation": "Τι ήθελε να παραστήσει ο ανόητος μιλώντας μας με τόσο τουπέ;"
        }
      ],
      "glosses": [
        "μιλάω σε κάποιον αφ' υψηλού, αλαζονικά"
      ],
      "id": "el-talk_down_to-en-verb-gntGy5SK"
    }
  ],
  "word": "talk down to"
}

{
  "etymology_text": ": talk down to < → δείτε τις λέξεις talk, down και to",
  "forms": [
    {
      "form": "talk down to"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "examples": [
        {
          "text": "What did the foolish man mean by talking down to us?",
          "translation": "Τι ήθελε να παραστήσει ο ανόητος μιλώντας μας με τόσο τουπέ;"
        }
      ],
      "glosses": [
        "μιλάω σε κάποιον αφ' υψηλού, αλαζονικά"
      ]
    }
  ],
  "word": "talk down to"
}