"ephemeral" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Lemmes en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en anglais issus d’un mot en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "ephemerality"
    },
    {
      "word": "ephemeral port"
    }
  ],
  "etymology_texts": [
    "Du grec ancien ἐφήμερος, ephḗmeros."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "adj",
  "pos_title": "Adjectif",
  "related": [
    {
      "word": "ephemera"
    },
    {
      "word": "ephemeris"
    },
    {
      "word": "ephemeron"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Termes soutenus en anglais",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Éphémère."
      ],
      "id": "fr-ephemeral-en-adj-YriN6Bvp",
      "tags": [
        "formal"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɪ.ˈfɛm.ɚ.əl\\",
      "raw_tags": [
        "États-Unis"
      ]
    },
    {
      "ipa": "\\ɪ.ˈfɛm.ə.ɹəl\\",
      "raw_tags": [
        "Royaume-Uni"
      ]
    },
    {
      "audio": "En-us-ephemeral.ogg",
      "ipa": "e.ˈfɛm.ɚ.əl",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/14/En-us-ephemeral.ogg/En-us-ephemeral.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/En-us-ephemeral.ogg",
      "raw_tags": [
        "États-Unis"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "fugace",
      "word": "fleeting"
    },
    {
      "sense": "de courte durée",
      "word": "short-lived"
    }
  ],
  "word": "ephemeral"
}

{
  "categories": [
    "Adjectifs en anglais",
    "Lemmes en anglais",
    "Mots en anglais issus d’un mot en grec ancien",
    "anglais"
  ],
  "derived": [
    {
      "word": "ephemerality"
    },
    {
      "word": "ephemeral port"
    }
  ],
  "etymology_texts": [
    "Du grec ancien ἐφήμερος, ephḗmeros."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "adj",
  "pos_title": "Adjectif",
  "related": [
    {
      "word": "ephemera"
    },
    {
      "word": "ephemeris"
    },
    {
      "word": "ephemeron"
    }
  ],
  "senses": [
    {
      "categories": [
        "Termes soutenus en anglais"
      ],
      "glosses": [
        "Éphémère."
      ],
      "tags": [
        "formal"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɪ.ˈfɛm.ɚ.əl\\",
      "raw_tags": [
        "États-Unis"
      ]
    },
    {
      "ipa": "\\ɪ.ˈfɛm.ə.ɹəl\\",
      "raw_tags": [
        "Royaume-Uni"
      ]
    },
    {
      "audio": "En-us-ephemeral.ogg",
      "ipa": "e.ˈfɛm.ɚ.əl",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/14/En-us-ephemeral.ogg/En-us-ephemeral.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/En-us-ephemeral.ogg",
      "raw_tags": [
        "États-Unis"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "fugace",
      "word": "fleeting"
    },
    {
      "sense": "de courte durée",
      "word": "short-lived"
    }
  ],
  "word": "ephemeral"
}