"lethean" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "Lēthē"
      },
      "expansion": "Latin Lēthē",
      "name": "der"
    }
  ],
  "etymology_text": "From Latin Lēthē, from Ancient Greek Λήθη (Lḗthē).",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "adjective"
      },
      "expansion": "lethean",
      "name": "head"
    }
  ],
  "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": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with French translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Latin translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Death",
          "orig": "en:Death",
          "parents": [
            "Body",
            "Life",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Memory",
          "orig": "en:Memory",
          "parents": [
            "Mind",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1938 April, Clark Ashton Smith, “The Garden of Adompha”, in Weird Tales, volume 31:",
          "text": "Men said that the garden had been roofed over against the sun with great sheets of lead and copper, leaving no cranny through which the tiniest star could peer down. Some swore that the privacy of its masters during their visits was ensured by a lethean slumber which Dwerulas, through his magic art, was wont to lay at such times upon the whole vicinity.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Of or relating to death or forgetfulness."
      ],
      "id": "en-lethean-en-adj-HFRZCaIW",
      "links": [
        [
          "death",
          "death"
        ],
        [
          "forgetfulness",
          "forgetfulness"
        ]
      ],
      "related": [
        {
          "word": "lethe"
        },
        {
          "word": "lethal"
        }
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "of or relating to death or forgetfulness",
          "word": "léthéen"
        },
        {
          "code": "la",
          "lang": "Latin",
          "sense": "of or relating to death or forgetfulness",
          "word": "Lethaeus"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "of or relating to death or forgetfulness",
          "word": "leteo"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/liːˈθi.ən/"
    },
    {
      "ipa": "/ˈliθi.ən/"
    }
  ],
  "word": "lethean"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "Lēthē"
      },
      "expansion": "Latin Lēthē",
      "name": "der"
    }
  ],
  "etymology_text": "From Latin Lēthē, from Ancient Greek Λήθη (Lḗthē).",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "adjective"
      },
      "expansion": "lethean",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "lethe"
    },
    {
      "word": "lethal"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms derived from Latin",
        "English terms with quotations",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with French translations",
        "Terms with Latin translations",
        "Terms with Spanish translations",
        "en:Death",
        "en:Memory"
      ],
      "examples": [
        {
          "ref": "1938 April, Clark Ashton Smith, “The Garden of Adompha”, in Weird Tales, volume 31:",
          "text": "Men said that the garden had been roofed over against the sun with great sheets of lead and copper, leaving no cranny through which the tiniest star could peer down. Some swore that the privacy of its masters during their visits was ensured by a lethean slumber which Dwerulas, through his magic art, was wont to lay at such times upon the whole vicinity.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Of or relating to death or forgetfulness."
      ],
      "links": [
        [
          "death",
          "death"
        ],
        [
          "forgetfulness",
          "forgetfulness"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/liːˈθi.ən/"
    },
    {
      "ipa": "/ˈliθi.ən/"
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "of or relating to death or forgetfulness",
      "word": "léthéen"
    },
    {
      "code": "la",
      "lang": "Latin",
      "sense": "of or relating to death or forgetfulness",
      "word": "Lethaeus"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "of or relating to death or forgetfulness",
      "word": "leteo"
    }
  ],
  "word": "lethean"
}