"mental aberration" meaning in English

{
  "forms": [
    {
      "form": "mental aberrations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "mental aberration (countable and uncountable, plural mental aberrations)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A deviation in mental function."
      ],
      "id": "en-mental_aberration-en-noun-mIgYROZw",
      "tags": [
        "countable",
        "uncountable"
      ],
      "translations": [
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "mental deviation",
          "tags": [
            "masculine"
          ],
          "word": "geestelijke stoornis"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmɜn.tl̩ ˌæb.əˈɹeɪ.ʃn̩/",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "mental aberration"
}

{
  "forms": [
    {
      "form": "mental aberrations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "mental aberration (countable and uncountable, plural mental aberrations)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with IPA pronunciation",
        "English uncountable nouns"
      ],
      "glosses": [
        "A deviation in mental function."
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmɜn.tl̩ ˌæb.əˈɹeɪ.ʃn̩/",
      "tags": [
        "US"
      ]
    }
  ],
  "translations": [
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "mental deviation",
      "tags": [
        "masculine"
      ],
      "word": "geestelijke stoornis"
    }
  ],
  "word": "mental aberration"
}