"over-optimistic" meaning in English

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        "3": "optimistic"
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      "expansion": "over- + optimistic",
      "name": "af"
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  ],
  "etymology_text": "From over- + optimistic.",
  "forms": [
    {
      "form": "more over-optimistic",
      "tags": [
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      "form": "most over-optimistic",
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        "superlative"
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      "expansion": "over-optimistic (comparative more over-optimistic, superlative most over-optimistic)",
      "name": "en-adj"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
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      "alt_of": [
        {
          "word": "overoptimistic"
        }
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      "examples": [
        {
          "ref": "2019 October, Roger Ford, “WCP award - victory for DfT reactionaries”, in Modern Railways, page 30",
          "text": "As we know, what sank National Express East Coast and Virgin Trains East Coast were over-optimistic forecasts of revenue growth.",
          "type": "quotation"
        }
      ],
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        "alternative form of overoptimistic"
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      "id": "en-over-optimistic-en-adj-d1eY~jt3",
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          "overoptimistic#English"
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  "word": "over-optimistic"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "over-",
        "3": "optimistic"
      },
      "expansion": "over- + optimistic",
      "name": "af"
    }
  ],
  "etymology_text": "From over- + optimistic.",
  "forms": [
    {
      "form": "more over-optimistic",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most over-optimistic",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "more",
        "head": "over-optimistic"
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      "expansion": "over-optimistic (comparative more over-optimistic, superlative most over-optimistic)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
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        {
          "word": "overoptimistic"
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          "ref": "2019 October, Roger Ford, “WCP award - victory for DfT reactionaries”, in Modern Railways, page 30",
          "text": "As we know, what sank National Express East Coast and Virgin Trains East Coast were over-optimistic forecasts of revenue growth.",
          "type": "quotation"
        }
      ],
      "glosses": [
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  "word": "over-optimistic"
}