"smarten up" meaning in English

{
  "forms": [
    {
      "form": "smartens up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "smartening up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "smartened up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "smartened up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "smarten up (third-person singular simple present smartens up, present participle smartening up, simple past and past participle smartened up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "_dis1": "2 53 46",
      "sense": "become/make less stupid",
      "word": "dumb down"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "_dis": "43 29 29",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "60 20 20",
          "kind": "other",
          "name": "English phrasal verbs formed with \"up\"",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "54 23 23",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "66 17 17",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "To wear smart clothes and look more stylish"
      ],
      "id": "en-smarten_up-en-verb-PSQJo-dq",
      "links": [
        [
          "smart",
          "smart"
        ],
        [
          "stylish",
          "stylish"
        ]
      ],
      "raw_glosses": [
        "(intransitive) To wear smart clothes and look more stylish"
      ],
      "related": [
        {
          "_dis1": "99 1 1",
          "sense": "look more stylish",
          "word": "tart up"
        }
      ],
      "tags": [
        "intransitive"
      ]
    },
    {
      "categories": [],
      "glosses": [
        "To become less stupid or naive"
      ],
      "id": "en-smarten_up-en-verb-Fo~tTjRY",
      "links": [
        [
          "stupid",
          "stupid"
        ],
        [
          "naive",
          "naive"
        ]
      ],
      "raw_glosses": [
        "(intransitive) To become less stupid or naive"
      ],
      "tags": [
        "intransitive"
      ]
    },
    {
      "categories": [],
      "glosses": [
        "To make less stupid or naive"
      ],
      "id": "en-smarten_up-en-verb-2y5dUaSg",
      "links": [
        [
          "stupid",
          "stupid"
        ],
        [
          "naive",
          "naive"
        ]
      ],
      "raw_glosses": [
        "(transitive) To make less stupid or naive"
      ],
      "tags": [
        "transitive"
      ]
    }
  ],
  "word": "smarten up"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English phrasal verbs",
    "English phrasal verbs formed with \"up\"",
    "English verbs",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "smartens up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "smartening up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "smartened up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "smartened up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "smarten up (third-person singular simple present smartens up, present participle smartening up, simple past and past participle smartened up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "sense": "look more stylish",
      "word": "tart up"
    },
    {
      "sense": "become/make less stupid",
      "word": "dumb down"
    }
  ],
  "senses": [
    {
      "categories": [
        "English intransitive verbs"
      ],
      "glosses": [
        "To wear smart clothes and look more stylish"
      ],
      "links": [
        [
          "smart",
          "smart"
        ],
        [
          "stylish",
          "stylish"
        ]
      ],
      "raw_glosses": [
        "(intransitive) To wear smart clothes and look more stylish"
      ],
      "tags": [
        "intransitive"
      ]
    },
    {
      "categories": [
        "English intransitive verbs"
      ],
      "glosses": [
        "To become less stupid or naive"
      ],
      "links": [
        [
          "stupid",
          "stupid"
        ],
        [
          "naive",
          "naive"
        ]
      ],
      "raw_glosses": [
        "(intransitive) To become less stupid or naive"
      ],
      "tags": [
        "intransitive"
      ]
    },
    {
      "categories": [
        "English transitive verbs"
      ],
      "glosses": [
        "To make less stupid or naive"
      ],
      "links": [
        [
          "stupid",
          "stupid"
        ],
        [
          "naive",
          "naive"
        ]
      ],
      "raw_glosses": [
        "(transitive) To make less stupid or naive"
      ],
      "tags": [
        "transitive"
      ]
    }
  ],
  "word": "smarten up"
}