"self-delusion" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "self",
        "3": "delusion"
      },
      "expansion": "self- + delusion",
      "name": "prefix"
    }
  ],
  "etymology_text": "From self- + delusion.",
  "forms": [
    {
      "form": "self-delusions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~",
        "head": "self-delusion"
      },
      "expansion": "self-delusion (countable and uncountable, plural self-delusions)",
      "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"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with self-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2010, Peter Hitchens, The Cameron Delusion, Bloomsbury Publishing, →ISBN:",
          "text": "This self-delusion is even more the case with Trotsky, whose bloodstained intolerance is generally passed over because the 1960s student generation pretended then, and pretends still, that Trotsky was in some way a freedom-loving, Gulag-free alternative to Stalin.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The act of deluding oneself, or the state of being so deluded."
      ],
      "id": "en-self-delusion-en-noun-Y91y9T6i",
      "links": [
        [
          "deluding",
          "deluding"
        ],
        [
          "oneself",
          "oneself"
        ],
        [
          "delude",
          "delude"
        ]
      ],
      "synonyms": [
        {
          "word": "self-deception"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "self-delusion"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "self",
        "3": "delusion"
      },
      "expansion": "self- + delusion",
      "name": "prefix"
    }
  ],
  "etymology_text": "From self- + delusion.",
  "forms": [
    {
      "form": "self-delusions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~",
        "head": "self-delusion"
      },
      "expansion": "self-delusion (countable and uncountable, plural self-delusions)",
      "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 prefixed with self-",
        "English terms with quotations",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2010, Peter Hitchens, The Cameron Delusion, Bloomsbury Publishing, →ISBN:",
          "text": "This self-delusion is even more the case with Trotsky, whose bloodstained intolerance is generally passed over because the 1960s student generation pretended then, and pretends still, that Trotsky was in some way a freedom-loving, Gulag-free alternative to Stalin.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The act of deluding oneself, or the state of being so deluded."
      ],
      "links": [
        [
          "deluding",
          "deluding"
        ],
        [
          "oneself",
          "oneself"
        ],
        [
          "delude",
          "delude"
        ]
      ],
      "synonyms": [
        {
          "word": "self-deception"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "self-delusion"
}