"maartti" meaning in Finnish

{
  "etymology_templates": [
    {
      "args": {
        "1": "fi",
        "2": "en",
        "3": "smart"
      },
      "expansion": "English smart",
      "name": "bor"
    }
  ],
  "etymology_text": "From English smart.",
  "head_templates": [
    {
      "args": {},
      "expansion": "maartti",
      "name": "fi-adj"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Finglish",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Finnish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Smart."
      ],
      "id": "en-maartti-fi-adj-IGgdPo9P",
      "links": [
        [
          "Smart",
          "smart"
        ]
      ],
      "raw_glosses": [
        "(Finglish) Smart."
      ],
      "tags": [
        "Finglish"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmɑːrtːi/"
    },
    {
      "ipa": "[ˈmɑ̝ːrt̪ːi]"
    },
    {
      "rhymes": "-ɑːrtːi"
    }
  ],
  "word": "maartti"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fi",
        "2": "en",
        "3": "smart"
      },
      "expansion": "English smart",
      "name": "bor"
    }
  ],
  "etymology_text": "From English smart.",
  "head_templates": [
    {
      "args": {},
      "expansion": "maartti",
      "name": "fi-adj"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Finglish",
        "Finnish 2-syllable words",
        "Finnish adjectives",
        "Finnish entries with incorrect language header",
        "Finnish lemmas",
        "Finnish terms borrowed from English",
        "Finnish terms derived from English",
        "Finnish terms with IPA pronunciation",
        "Rhymes:Finnish/ɑːrtːi",
        "Rhymes:Finnish/ɑːrtːi/2 syllables",
        "fi-adj with no 1 or 2"
      ],
      "glosses": [
        "Smart."
      ],
      "links": [
        [
          "Smart",
          "smart"
        ]
      ],
      "raw_glosses": [
        "(Finglish) Smart."
      ],
      "tags": [
        "Finglish"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmɑːrtːi/"
    },
    {
      "ipa": "[ˈmɑ̝ːrt̪ːi]"
    },
    {
      "rhymes": "-ɑːrtːi"
    }
  ],
  "word": "maartti"
}