"unsubstantial" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "substantial"
      },
      "expansion": "un- + substantial",
      "name": "prefix"
    }
  ],
  "etymology_text": "From un- + substantial.",
  "forms": [
    {
      "form": "more unsubstantial",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most unsubstantial",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "unsubstantial (comparative more unsubstantial, superlative most unsubstantial)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with un-",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1968, Joseph Campbell, The Hero with a Thousand Faces, 2nd edition, London: Fontana Press, published 1993, page 8",
          "text": "Psychoanalysis, the modern science of reading dreams, has taught us to take heed of these unsubstantial images.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Insubstantial."
      ],
      "id": "en-unsubstantial-en-adj-B6Qqa6FU",
      "links": [
        [
          "Insubstantial",
          "insubstantial"
        ]
      ],
      "raw_glosses": [
        "(archaic) Insubstantial."
      ],
      "synonyms": [
        {
          "word": "insubstantial"
        }
      ],
      "tags": [
        "archaic"
      ]
    }
  ],
  "word": "unsubstantial"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "substantial"
      },
      "expansion": "un- + substantial",
      "name": "prefix"
    }
  ],
  "etymology_text": "From un- + substantial.",
  "forms": [
    {
      "form": "more unsubstantial",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most unsubstantial",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "unsubstantial (comparative more unsubstantial, superlative most unsubstantial)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms prefixed with un-",
        "English terms with archaic senses",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1968, Joseph Campbell, The Hero with a Thousand Faces, 2nd edition, London: Fontana Press, published 1993, page 8",
          "text": "Psychoanalysis, the modern science of reading dreams, has taught us to take heed of these unsubstantial images.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Insubstantial."
      ],
      "links": [
        [
          "Insubstantial",
          "insubstantial"
        ]
      ],
      "raw_glosses": [
        "(archaic) Insubstantial."
      ],
      "synonyms": [
        {
          "word": "insubstantial"
        }
      ],
      "tags": [
        "archaic"
      ]
    }
  ],
  "word": "unsubstantial"
}