"size up" meaning in English

{
  "forms": [
    {
      "form": "to size up",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sizes up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "sizing up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "sized up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "sized up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*",
        "head": "to size up"
      },
      "expansion": "to size up (third-person singular simple present sizes up, present participle sizing up, simple past and past participle sized up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "text": "It's a good idea for boxers to size up their opponents before their matches."
        },
        {
          "text": "Before we can begin to size up the problem, we'll need more information."
        },
        {
          "ref": "2017 July 16, Brandon Nowalk, “Chickens and dragons come home to roost on Game Of Thrones (newbies)”, in The Onion AV Club",
          "text": "She approaches like she’s sizing them up. Five boys. Unarmed. A pile of swords over there. Ed Sheeran is there, but that’s not even the surprise.",
          "type": "quotation"
        },
        {
          "text": "The Century\nWe had to size up our fellow legislators."
        }
      ],
      "glosses": [
        "To evaluate; to estimate or anticipate the magnitude, difficulty, or strength of something."
      ],
      "id": "en-size_up-en-verb-KVyu8pAI",
      "links": [
        [
          "evaluate",
          "evaluate"
        ],
        [
          "estimate",
          "estimate"
        ],
        [
          "anticipate",
          "anticipate"
        ],
        [
          "magnitude",
          "magnitude"
        ],
        [
          "difficulty",
          "difficulty"
        ],
        [
          "strength",
          "strength"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) To evaluate; to estimate or anticipate the magnitude, difficulty, or strength of something."
      ],
      "tags": [
        "idiomatic"
      ]
    },
    {
      "categories": [
        {
          "_dis": "28 72",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "30 70",
          "kind": "other",
          "name": "English phrasal verbs with particle (up)",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "0 100",
          "kind": "topical",
          "langcode": "en",
          "name": "Clothing",
          "orig": "en:Clothing",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "This shirt runs tight, so you should size up."
        }
      ],
      "glosses": [
        "To wear a larger size of clothing."
      ],
      "id": "en-size_up-en-verb-FAsiKlTE",
      "links": [
        [
          "clothing",
          "clothing"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-size up.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/6b/En-au-size_up.ogg/En-au-size_up.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/6/6b/En-au-size_up.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "size up"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English phrasal verbs",
    "English phrasal verbs with particle (up)",
    "English terms with audio links",
    "English verbs",
    "en:Clothing"
  ],
  "forms": [
    {
      "form": "to size up",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sizes up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "sizing up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "sized up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "sized up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*",
        "head": "to size up"
      },
      "expansion": "to size up (third-person singular simple present sizes up, present participle sizing up, simple past and past participle sized up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English idioms",
        "English terms with quotations"
      ],
      "examples": [
        {
          "text": "It's a good idea for boxers to size up their opponents before their matches."
        },
        {
          "text": "Before we can begin to size up the problem, we'll need more information."
        },
        {
          "ref": "2017 July 16, Brandon Nowalk, “Chickens and dragons come home to roost on Game Of Thrones (newbies)”, in The Onion AV Club",
          "text": "She approaches like she’s sizing them up. Five boys. Unarmed. A pile of swords over there. Ed Sheeran is there, but that’s not even the surprise.",
          "type": "quotation"
        },
        {
          "text": "The Century\nWe had to size up our fellow legislators."
        }
      ],
      "glosses": [
        "To evaluate; to estimate or anticipate the magnitude, difficulty, or strength of something."
      ],
      "links": [
        [
          "evaluate",
          "evaluate"
        ],
        [
          "estimate",
          "estimate"
        ],
        [
          "anticipate",
          "anticipate"
        ],
        [
          "magnitude",
          "magnitude"
        ],
        [
          "difficulty",
          "difficulty"
        ],
        [
          "strength",
          "strength"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) To evaluate; to estimate or anticipate the magnitude, difficulty, or strength of something."
      ],
      "tags": [
        "idiomatic"
      ]
    },
    {
      "examples": [
        {
          "text": "This shirt runs tight, so you should size up."
        }
      ],
      "glosses": [
        "To wear a larger size of clothing."
      ],
      "links": [
        [
          "clothing",
          "clothing"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-size up.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/6b/En-au-size_up.ogg/En-au-size_up.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/6/6b/En-au-size_up.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "size up"
}