"substantial" meaning in English

{
  "forms": [
    {
      "form": "substantial",
      "tags": [
        "positive"
      ]
    },
    {
      "form": "more substantial",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most substantial",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "more": "true"
      },
      "expansion": "[POS TABLE]",
      "name": "adjective"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "examples": [
        {
          "text": "The children spent a substantial portion of the day in free play or unstructured time."
        },
        {
          "text": "The company needs to make substantial reductions in spending."
        },
        {
          "text": "After the accident, he lost a substantial amount of blood."
        },
        {
          "text": "Changing the light bulbs might translate into very substantial energy savings."
        },
        {
          "text": "Soft background music results in substantial improvement in reading comprehension."
        },
        {
          "text": "We found no substantial evidence supporting these beliefs."
        },
        {
          "text": "China has a substantial impact on the global economy."
        },
        {
          "text": "That will help, but I'm not sure it will make a substantial difference."
        },
        {
          "text": "They would likely benefit from a substantial decline in home prices."
        },
        {
          "text": "Such a program will require substantial resources to develop and maintain."
        }
      ],
      "glosses": [
        "If something is substantial, it is not small."
      ],
      "id": "simple-substantial-en-adj-r6okzqIi"
    }
  ],
  "word": "substantial"
}

{
  "forms": [
    {
      "form": "substantial",
      "tags": [
        "positive"
      ]
    },
    {
      "form": "more substantial",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most substantial",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "more": "true"
      },
      "expansion": "[POS TABLE]",
      "name": "adjective"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "examples": [
        {
          "text": "The children spent a substantial portion of the day in free play or unstructured time."
        },
        {
          "text": "The company needs to make substantial reductions in spending."
        },
        {
          "text": "After the accident, he lost a substantial amount of blood."
        },
        {
          "text": "Changing the light bulbs might translate into very substantial energy savings."
        },
        {
          "text": "Soft background music results in substantial improvement in reading comprehension."
        },
        {
          "text": "We found no substantial evidence supporting these beliefs."
        },
        {
          "text": "China has a substantial impact on the global economy."
        },
        {
          "text": "That will help, but I'm not sure it will make a substantial difference."
        },
        {
          "text": "They would likely benefit from a substantial decline in home prices."
        },
        {
          "text": "Such a program will require substantial resources to develop and maintain."
        }
      ],
      "glosses": [
        "If something is substantial, it is not small."
      ]
    }
  ],
  "word": "substantial"
}