"уменьшились" meaning in Russian

{
  "forms": [
    {
      "form": "уме́ньшились",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "uménʹšilisʹ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "verb form",
        "head": "уме́ньшились"
      },
      "expansion": "уме́ньшились • (uménʹšilisʹ)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "_dis": "65 35",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "82 18",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "74 26",
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "extra": "uménʹšitʹsja",
          "word": "уме́ньшиться"
        }
      ],
      "glosses": [
        "plural past indicative perfective of уме́ньшиться (uménʹšitʹsja)"
      ],
      "id": "en-уменьшились-ru-verb-HlclEsGf",
      "links": [
        [
          "уме́ньшиться",
          "уменьшиться#Russian"
        ]
      ],
      "tags": [
        "form-of",
        "indicative",
        "past",
        "perfective",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ʊˈmʲenʲʂɨlʲɪsʲ]"
    },
    {
      "ipa": "[ʊmʲɪnʲˈʂɨlʲɪsʲ]"
    }
  ],
  "word": "уменьшились"
}

{
  "forms": [
    {
      "form": "уменьши́лись",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "umenʹšílisʹ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "verb form",
        "head": "уменьши́лись"
      },
      "expansion": "уменьши́лись • (umenʹšílisʹ)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "extra": "umenʹšítʹsja",
          "word": "уменьши́ться"
        }
      ],
      "glosses": [
        "plural past indicative perfective of уменьши́ться (umenʹšítʹsja)"
      ],
      "id": "en-уменьшились-ru-verb-uh-OfrYy",
      "links": [
        [
          "уменьши́ться",
          "уменьшиться#Russian"
        ]
      ],
      "tags": [
        "form-of",
        "indicative",
        "past",
        "perfective",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ʊˈmʲenʲʂɨlʲɪsʲ]"
    },
    {
      "ipa": "[ʊmʲɪnʲˈʂɨlʲɪsʲ]"
    }
  ],
  "word": "уменьшились"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Russian 4-syllable words",
    "Russian entries with incorrect language header",
    "Russian non-lemma forms",
    "Russian terms with IPA pronunciation",
    "Russian verb forms"
  ],
  "forms": [
    {
      "form": "уме́ньшились",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "uménʹšilisʹ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "verb form",
        "head": "уме́ньшились"
      },
      "expansion": "уме́ньшились • (uménʹšilisʹ)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "extra": "uménʹšitʹsja",
          "word": "уме́ньшиться"
        }
      ],
      "glosses": [
        "plural past indicative perfective of уме́ньшиться (uménʹšitʹsja)"
      ],
      "links": [
        [
          "уме́ньшиться",
          "уменьшиться#Russian"
        ]
      ],
      "tags": [
        "form-of",
        "indicative",
        "past",
        "perfective",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ʊˈmʲenʲʂɨlʲɪsʲ]"
    },
    {
      "ipa": "[ʊmʲɪnʲˈʂɨlʲɪsʲ]"
    }
  ],
  "word": "уменьшились"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Russian 4-syllable words",
    "Russian entries with incorrect language header",
    "Russian non-lemma forms",
    "Russian terms with IPA pronunciation",
    "Russian verb forms"
  ],
  "forms": [
    {
      "form": "уменьши́лись",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "umenʹšílisʹ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "verb form",
        "head": "уменьши́лись"
      },
      "expansion": "уменьши́лись • (umenʹšílisʹ)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "extra": "umenʹšítʹsja",
          "word": "уменьши́ться"
        }
      ],
      "glosses": [
        "plural past indicative perfective of уменьши́ться (umenʹšítʹsja)"
      ],
      "links": [
        [
          "уменьши́ться",
          "уменьшиться#Russian"
        ]
      ],
      "tags": [
        "form-of",
        "indicative",
        "past",
        "perfective",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ʊˈmʲenʲʂɨlʲɪsʲ]"
    },
    {
      "ipa": "[ʊmʲɪnʲˈʂɨlʲɪsʲ]"
    }
  ],
  "word": "уменьшились"
}