"chase a rainbow" meaning in English

{
  "forms": [
    {
      "form": "chases a rainbow",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "chasing a rainbow",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "chased a rainbow",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "chased a rainbow",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "chase a rainbow (third-person singular simple present chases a rainbow, present participle chasing a rainbow, simple past and past participle chased a rainbow)",
      "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"
        }
      ],
      "glosses": [
        "To pursue something illusory, impractical, or impossible."
      ],
      "id": "en-chase_a_rainbow-en-verb-RnmjSlbj",
      "links": [
        [
          "pursue",
          "pursue"
        ],
        [
          "illusory",
          "illusory"
        ],
        [
          "impractical",
          "impractical"
        ],
        [
          "impossible",
          "impossible"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) To pursue something illusory, impractical, or impossible."
      ],
      "related": [
        {
          "word": "the cake is a lie"
        },
        {
          "word": "wild-goose chase"
        }
      ],
      "synonyms": [
        {
          "word": "tilt at windmills"
        },
        {
          "word": "fight a losing battle"
        },
        {
          "word": "chasing a rainbow"
        },
        {
          "word": "chasing rainbows"
        }
      ],
      "tags": [
        "idiomatic"
      ],
      "translations": [
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "to pursue the illusory, impractical, or impossible",
          "word": "délibábot kerget"
        }
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-chase a rainbow.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/72/En-au-chase_a_rainbow.ogg/En-au-chase_a_rainbow.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/7/72/En-au-chase_a_rainbow.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "chase a rainbow"
}

{
  "forms": [
    {
      "form": "chases a rainbow",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "chasing a rainbow",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "chased a rainbow",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "chased a rainbow",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "chase a rainbow (third-person singular simple present chases a rainbow, present participle chasing a rainbow, simple past and past participle chased a rainbow)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "word": "the cake is a lie"
    },
    {
      "word": "wild-goose chase"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English terms with audio links",
        "English verbs"
      ],
      "glosses": [
        "To pursue something illusory, impractical, or impossible."
      ],
      "links": [
        [
          "pursue",
          "pursue"
        ],
        [
          "illusory",
          "illusory"
        ],
        [
          "impractical",
          "impractical"
        ],
        [
          "impossible",
          "impossible"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) To pursue something illusory, impractical, or impossible."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-chase a rainbow.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/72/En-au-chase_a_rainbow.ogg/En-au-chase_a_rainbow.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/7/72/En-au-chase_a_rainbow.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "synonyms": [
    {
      "word": "tilt at windmills"
    },
    {
      "word": "fight a losing battle"
    },
    {
      "word": "chasing a rainbow"
    },
    {
      "word": "chasing rainbows"
    }
  ],
  "translations": [
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "to pursue the illusory, impractical, or impossible",
      "word": "délibábot kerget"
    }
  ],
  "word": "chase a rainbow"
}