"менш" meaning in Belarusian

{
  "forms": [
    {
      "form": "mjenš",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "менш"
      },
      "expansion": "менш • (mjenš)",
      "name": "be-adv"
    }
  ],
  "lang": "Belarusian",
  "lang_code": "be",
  "pos": "adv",
  "senses": [
    {
      "antonyms": [
        {
          "word": "больш"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Belarusian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "less (to smaller extent)"
      ],
      "id": "en-менш-be-adv-rocTfYNR",
      "links": [
        [
          "less",
          "less"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "Belarusian",
            "Latin"
          ],
          "word": "mienš — Łacinka"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[mʲenʂ]"
    }
  ],
  "word": "менш"
}

{
  "forms": [
    {
      "form": "mjenš",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "менш"
      },
      "expansion": "менш • (mjenš)",
      "name": "be-adv"
    }
  ],
  "lang": "Belarusian",
  "lang_code": "be",
  "pos": "adv",
  "senses": [
    {
      "antonyms": [
        {
          "word": "больш"
        }
      ],
      "categories": [
        "Belarusian adverbs",
        "Belarusian entries with incorrect language header",
        "Belarusian lemmas",
        "Belarusian terms with IPA pronunciation",
        "Belarusian terms with redundant head parameter"
      ],
      "glosses": [
        "less (to smaller extent)"
      ],
      "links": [
        [
          "less",
          "less"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[mʲenʂ]"
    }
  ],
  "synonyms": [
    {
      "tags": [
        "Belarusian",
        "Latin"
      ],
      "word": "mienš — Łacinka"
    }
  ],
  "word": "менш"
}