"fair up" meaning in English

{
  "forms": [
    {
      "form": "fairs up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "fairing up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "faired up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "faired up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "fair up (third-person singular simple present fairs up, present participle fairing up, simple past and past participle faired up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English phrasal verbs formed with \"up\"",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Meteorology",
          "orig": "en:Meteorology",
          "parents": [
            "Atmosphere",
            "Earth sciences",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "They said it was going to fair up later on, but it didn't.",
          "type": "example"
        }
      ],
      "glosses": [
        "To clear"
      ],
      "id": "en-fair_up-en-verb-6Ibq76HN",
      "links": [
        [
          "meteorology",
          "meteorology"
        ],
        [
          "clear",
          "clear"
        ]
      ],
      "raw_glosses": [
        "(meteorology) To clear"
      ],
      "synonyms": [
        {
          "word": "fair off"
        }
      ],
      "topics": [
        "climatology",
        "meteorology",
        "natural-sciences"
      ]
    }
  ],
  "word": "fair up"
}

{
  "forms": [
    {
      "form": "fairs up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "fairing up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "faired up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "faired up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "fair up (third-person singular simple present fairs up, present participle fairing up, simple past and past participle faired up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrasal verbs",
        "English phrasal verbs formed with \"up\"",
        "English terms with usage examples",
        "English verbs",
        "Pages with 1 entry",
        "en:Meteorology"
      ],
      "examples": [
        {
          "text": "They said it was going to fair up later on, but it didn't.",
          "type": "example"
        }
      ],
      "glosses": [
        "To clear"
      ],
      "links": [
        [
          "meteorology",
          "meteorology"
        ],
        [
          "clear",
          "clear"
        ]
      ],
      "raw_glosses": [
        "(meteorology) To clear"
      ],
      "topics": [
        "climatology",
        "meteorology",
        "natural-sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "fair off"
    }
  ],
  "word": "fair up"
}