"puérils" meaning in Français

{
  "anagrams": [
    {
      "word": "pileurs"
    },
    {
      "word": "plieurs"
    },
    {
      "word": "pliures"
    },
    {
      "word": "psilure"
    },
    {
      "word": "spirule"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Formes d’adjectifs en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "adj",
  "pos_title": "Forme d’adjectif",
  "senses": [
    {
      "form_of": [
        {
          "word": "puéril"
        }
      ],
      "glosses": [
        "Masculin pluriel de puéril."
      ],
      "id": "fr-puérils-fr-adj-jZ1ycNlc"
    }
  ],
  "sounds": [
    {
      "ipa": "\\pɥe.ʁil\\"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "puérils"
}

{
  "anagrams": [
    {
      "word": "pileurs"
    },
    {
      "word": "plieurs"
    },
    {
      "word": "pliures"
    },
    {
      "word": "psilure"
    },
    {
      "word": "spirule"
    }
  ],
  "categories": [
    "Formes d’adjectifs en français",
    "français"
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "adj",
  "pos_title": "Forme d’adjectif",
  "senses": [
    {
      "form_of": [
        {
          "word": "puéril"
        }
      ],
      "glosses": [
        "Masculin pluriel de puéril."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\pɥe.ʁil\\"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "puérils"
}