"winter blues" meaning in English

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      "expansion": "winter blues (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "name": "English entries with incorrect language header",
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          "name": "Psychology",
          "orig": "en:Psychology",
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Winter",
          "orig": "en:Winter",
          "parents": [
            "Seasons",
            "Nature",
            "Periodic occurrences",
            "All topics",
            "Time",
            "Fundamental"
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          "source": "w"
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      ],
      "glosses": [
        "Seasonal affective disorder during the winter season."
      ],
      "id": "en-winter_blues-en-noun-Z0qNpZq4",
      "links": [
        [
          "psychology",
          "psychology"
        ],
        [
          "Seasonal affective disorder",
          "seasonal affective disorder"
        ],
        [
          "winter",
          "winter"
        ],
        [
          "season",
          "season"
        ]
      ],
      "raw_glosses": [
        "(informal, psychology) Seasonal affective disorder during the winter season."
      ],
      "synonyms": [
        {
          "word": "winter depression"
        }
      ],
      "tags": [
        "informal",
        "uncountable"
      ],
      "topics": [
        "human-sciences",
        "psychology",
        "sciences"
      ]
    }
  ],
  "word": "winter blues"
}

{
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      "expansion": "winter blues (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "en:Winter"
      ],
      "glosses": [
        "Seasonal affective disorder during the winter season."
      ],
      "links": [
        [
          "psychology",
          "psychology"
        ],
        [
          "Seasonal affective disorder",
          "seasonal affective disorder"
        ],
        [
          "winter",
          "winter"
        ],
        [
          "season",
          "season"
        ]
      ],
      "raw_glosses": [
        "(informal, psychology) Seasonal affective disorder during the winter season."
      ],
      "tags": [
        "informal",
        "uncountable"
      ],
      "topics": [
        "human-sciences",
        "psychology",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "winter depression"
    }
  ],
  "word": "winter blues"
}