"наименее" meaning in Russian

{
  "forms": [
    {
      "form": "наиме́нее",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "naiméneje",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "наиме́нее"
      },
      "expansion": "наиме́нее • (naiméneje)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "the least, least of all"
      ],
      "id": "en-наименее-ru-adv-WK5muI~K",
      "links": [
        [
          "least",
          "least"
        ],
        [
          "least of all",
          "least of all"
        ]
      ],
      "raw_glosses": [
        "(superlative) the least, least of all"
      ],
      "related": [
        {
          "roman": "málo",
          "word": "ма́ло"
        },
        {
          "roman": "méneje",
          "word": "ме́нее"
        },
        {
          "roman": "ménʹše",
          "word": "ме́ньше"
        }
      ],
      "tags": [
        "superlative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[nəɪˈmʲenʲɪje]"
    }
  ],
  "word": "наименее"
}

{
  "forms": [
    {
      "form": "наиме́нее",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "naiméneje",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "наиме́нее"
      },
      "expansion": "наиме́нее • (naiméneje)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "related": [
    {
      "roman": "málo",
      "word": "ма́ло"
    },
    {
      "roman": "méneje",
      "word": "ме́нее"
    },
    {
      "roman": "ménʹše",
      "word": "ме́ньше"
    }
  ],
  "senses": [
    {
      "categories": [
        "Russian 5-syllable words",
        "Russian adverbs",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian terms with IPA pronunciation"
      ],
      "glosses": [
        "the least, least of all"
      ],
      "links": [
        [
          "least",
          "least"
        ],
        [
          "least of all",
          "least of all"
        ]
      ],
      "raw_glosses": [
        "(superlative) the least, least of all"
      ],
      "tags": [
        "superlative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[nəɪˈmʲenʲɪje]"
    }
  ],
  "word": "наименее"
}