"으이구" meaning in Korean

{
  "etymology_templates": [
    {
      "args": {},
      "expansion": "Of native Korean origin.",
      "name": "ko-etym-native"
    }
  ],
  "etymology_text": "Of native Korean origin.",
  "forms": [
    {
      "form": "eu'igu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "으이구 • (eu'igu)",
      "name": "ko-interjection"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Native Korean words",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "expression of surprise; oh, ouch"
      ],
      "id": "en-으이구-ko-intj-p1RiMu4M",
      "links": [
        [
          "oh",
          "oh"
        ],
        [
          "ouch",
          "ouch"
        ]
      ],
      "synonyms": [
        {
          "word": "세상에"
        },
        {
          "word": "아이고"
        },
        {
          "word": "어이구"
        }
      ]
    }
  ],
  "word": "으이구"
}

{
  "etymology_templates": [
    {
      "args": {},
      "expansion": "Of native Korean origin.",
      "name": "ko-etym-native"
    }
  ],
  "etymology_text": "Of native Korean origin.",
  "forms": [
    {
      "form": "eu'igu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "으이구 • (eu'igu)",
      "name": "ko-interjection"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "Korean entries with incorrect language header",
        "Korean interjections",
        "Korean lemmas",
        "Korean terms with redundant script codes",
        "Korean terms with redundant transliterations",
        "Korean terms without ko-IPA template",
        "Native Korean words",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "expression of surprise; oh, ouch"
      ],
      "links": [
        [
          "oh",
          "oh"
        ],
        [
          "ouch",
          "ouch"
        ]
      ],
      "synonyms": [
        {
          "word": "세상에"
        },
        {
          "word": "아이고"
        },
        {
          "word": "어이구"
        }
      ]
    }
  ],
  "word": "으이구"
}