"su per giù" meaning in Italian

{
  "head_templates": [
    {
      "args": {},
      "expansion": "su per giù",
      "name": "it-adv"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "more or less, approximately"
      ],
      "id": "en-su_per_giù-it-adv-72GQ29V8",
      "links": [
        [
          "more or less",
          "more or less"
        ],
        [
          "approximately",
          "approximately"
        ]
      ],
      "synonyms": [
        {
          "word": "più o meno"
        },
        {
          "word": "approssimativamente"
        },
        {
          "word": "suppergiù"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈsu‿p.per ˈd͡ʒu/"
    }
  ],
  "word": "su per giù"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "su per giù",
      "name": "it-adv"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Italian adverbs",
        "Italian entries with incorrect language header",
        "Italian lemmas",
        "Italian multiword terms",
        "Italian terms with IPA pronunciation"
      ],
      "glosses": [
        "more or less, approximately"
      ],
      "links": [
        [
          "more or less",
          "more or less"
        ],
        [
          "approximately",
          "approximately"
        ]
      ],
      "synonyms": [
        {
          "word": "più o meno"
        },
        {
          "word": "approssimativamente"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈsu‿p.per ˈd͡ʒu/"
    }
  ],
  "synonyms": [
    {
      "word": "suppergiù"
    }
  ],
  "word": "su per giù"
}