"bulk up" meaning in English

{
  "forms": [
    {
      "form": "bulks up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "bulking up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "bulked up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "bulked up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "bulk up (third-person singular simple present bulks up, present participle bulking up, simple past and past participle bulked up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [],
      "glosses": [
        "To gain weight."
      ],
      "id": "en-bulk_up-en-verb-ZBSNcjVV",
      "raw_glosses": [
        "(intransitive) To gain weight."
      ],
      "tags": [
        "intransitive"
      ],
      "translations": [
        {
          "_dis1": "94 4 2",
          "code": "ru",
          "lang": "Russian",
          "roman": "nabirátʹ ves",
          "sense": "to gain weight",
          "word": "набира́ть вес"
        }
      ]
    },
    {
      "categories": [],
      "glosses": [
        "To increase the weight of."
      ],
      "id": "en-bulk_up-en-verb-KpJdEqYm",
      "raw_glosses": [
        "(transitive) To increase the weight of."
      ],
      "synonyms": [
        {
          "_dis1": "7 54 38",
          "sense": "increase muscle mass",
          "word": "hulk out"
        }
      ],
      "tags": [
        "transitive"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Bodybuilding",
          "orig": "en:Bodybuilding",
          "parents": [
            "Sports",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "10 9 81",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "23 16 61",
          "kind": "other",
          "name": "English phrasal verbs with particle (up)",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "2017 January 9, Molly Hurford, “Cross-Training Workouts Every Runner Should Try”, in MapMyRun, archived from the original on 2017-06-18",
          "text": "A review of studies done on runners and strength training showed generally positive impacts and no negative consequences. You won’t hulk out or bulk up just fine-tune some lean muscle in ways that running alone can’t do.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To train the body with a high-calorie diet and intense weightlifting in order to increase the overall mass of the body, especially the muscles."
      ],
      "id": "en-bulk_up-en-verb-6KWljTi~",
      "links": [
        [
          "bodybuilding",
          "bodybuilding#Noun"
        ],
        [
          "calorie",
          "calorie"
        ],
        [
          "diet",
          "diet"
        ],
        [
          "weightlifting",
          "weightlifting"
        ],
        [
          "mass",
          "mass"
        ],
        [
          "muscle",
          "muscle"
        ]
      ],
      "raw_glosses": [
        "(bodybuilding) To train the body with a high-calorie diet and intense weightlifting in order to increase the overall mass of the body, especially the muscles."
      ],
      "topics": [
        "bodybuilding",
        "hobbies",
        "lifestyle",
        "sports"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌbʌlk ˈʌp/"
    },
    {
      "audio": "en-us-bulk up.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/15/En-us-bulk_up.ogg/En-us-bulk_up.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/15/En-us-bulk_up.ogg",
      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "word": "bulk 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 IPA pronunciation",
    "English terms with audio links",
    "English verbs"
  ],
  "forms": [
    {
      "form": "bulks up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "bulking up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "bulked up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "bulked up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "bulk up (third-person singular simple present bulks up, present participle bulking up, simple past and past participle bulked up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English intransitive verbs"
      ],
      "glosses": [
        "To gain weight."
      ],
      "raw_glosses": [
        "(intransitive) To gain weight."
      ],
      "tags": [
        "intransitive"
      ]
    },
    {
      "categories": [
        "English transitive verbs"
      ],
      "glosses": [
        "To increase the weight of."
      ],
      "raw_glosses": [
        "(transitive) To increase the weight of."
      ],
      "tags": [
        "transitive"
      ]
    },
    {
      "categories": [
        "English terms with quotations",
        "en:Bodybuilding"
      ],
      "examples": [
        {
          "ref": "2017 January 9, Molly Hurford, “Cross-Training Workouts Every Runner Should Try”, in MapMyRun, archived from the original on 2017-06-18",
          "text": "A review of studies done on runners and strength training showed generally positive impacts and no negative consequences. You won’t hulk out or bulk up just fine-tune some lean muscle in ways that running alone can’t do.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To train the body with a high-calorie diet and intense weightlifting in order to increase the overall mass of the body, especially the muscles."
      ],
      "links": [
        [
          "bodybuilding",
          "bodybuilding#Noun"
        ],
        [
          "calorie",
          "calorie"
        ],
        [
          "diet",
          "diet"
        ],
        [
          "weightlifting",
          "weightlifting"
        ],
        [
          "mass",
          "mass"
        ],
        [
          "muscle",
          "muscle"
        ]
      ],
      "raw_glosses": [
        "(bodybuilding) To train the body with a high-calorie diet and intense weightlifting in order to increase the overall mass of the body, especially the muscles."
      ],
      "topics": [
        "bodybuilding",
        "hobbies",
        "lifestyle",
        "sports"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌbʌlk ˈʌp/"
    },
    {
      "audio": "en-us-bulk up.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/15/En-us-bulk_up.ogg/En-us-bulk_up.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/15/En-us-bulk_up.ogg",
      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "synonyms": [
    {
      "sense": "increase muscle mass",
      "word": "hulk out"
    }
  ],
  "translations": [
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "nabirátʹ ves",
      "sense": "to gain weight",
      "word": "набира́ть вес"
    }
  ],
  "word": "bulk up"
}