"superlightweight" meaning in English

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  "etymology_text": "From super- + lightweight.",
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      "form": "more superlightweight",
      "tags": [
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    {
      "form": "most superlightweight",
      "tags": [
        "superlative"
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  "lang_code": "en",
  "pos": "adj",
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          "text": "Rather than reinforce rooftops at great expense, Mankiewicz decided that the only way around this problem was to invent a superlightweight soil.",
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      "glosses": [
        "Extremely lightweight."
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        [
          "lightweight",
          "lightweight"
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        {
          "word": "ultralightweight"
        }
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  "word": "superlightweight"
}

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        "2": "super",
        "3": "lightweight"
      },
      "expansion": "super- + lightweight",
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    }
  ],
  "etymology_text": "From super- + lightweight.",
  "forms": [
    {
      "form": "more superlightweight",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most superlightweight",
      "tags": [
        "superlative"
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      "expansion": "superlightweight (comparative more superlightweight, superlative most superlightweight)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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      ],
      "glosses": [
        "Extremely lightweight."
      ],
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        [
          "lightweight",
          "lightweight"
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  "synonyms": [
    {
      "word": "ultralightweight"
    }
  ],
  "word": "superlightweight"
}