"informal" meaning in English

{
  "categories": [
    {
      "kind": "other",
      "name": "Terms prefixed with in-",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "in",
        "2": "formal"
      },
      "expansion": "in- + formal",
      "name": "ety-prefix"
    }
  ],
  "etymology_text": "in- + formal",
  "forms": [
    {
      "form": "informal",
      "tags": [
        "positive"
      ]
    },
    {
      "form": "more informal",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most informal",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "more": "true"
      },
      "expansion": "[POS TABLE]",
      "name": "adj"
    }
  ],
  "hyphenation": "in‧for‧mal",
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "antonyms": [
        {
          "word": "formal"
        }
      ],
      "examples": [
        {
          "text": "Can we get together for some informal talks before the meeting?"
        },
        {
          "text": "School is generally quite informal. Many students even call their teacher by their first name."
        }
      ],
      "glosses": [
        "If something is informal, it is friendly and casual; it is not official."
      ],
      "id": "simple-informal-en-adj-sAXdrUFw",
      "synonyms": [
        {
          "word": "casual"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɪnˈfɔːm(ə)l/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/ɪnˈfɔrm(ə)l/",
      "tags": [
        "US"
      ]
    },
    {
      "audio": "en-us-informal.ogg",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "informal"
}

{
  "categories": [
    "Terms prefixed with in-"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "in",
        "2": "formal"
      },
      "expansion": "in- + formal",
      "name": "ety-prefix"
    }
  ],
  "etymology_text": "in- + formal",
  "forms": [
    {
      "form": "informal",
      "tags": [
        "positive"
      ]
    },
    {
      "form": "more informal",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most informal",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "more": "true"
      },
      "expansion": "[POS TABLE]",
      "name": "adj"
    }
  ],
  "hyphenation": "in‧for‧mal",
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "antonyms": [
        {
          "word": "formal"
        }
      ],
      "examples": [
        {
          "text": "Can we get together for some informal talks before the meeting?"
        },
        {
          "text": "School is generally quite informal. Many students even call their teacher by their first name."
        }
      ],
      "glosses": [
        "If something is informal, it is friendly and casual; it is not official."
      ],
      "synonyms": [
        {
          "word": "casual"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɪnˈfɔːm(ə)l/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/ɪnˈfɔrm(ə)l/",
      "tags": [
        "US"
      ]
    },
    {
      "audio": "en-us-informal.ogg",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "informal"
}