"road less traveled" meaning in English

{
  "etymology_text": "Popularized from one interpretation of Robert Frost's 1915 poem The Road Not Taken.",
  "forms": [
    {
      "form": "roads less traveled",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "roads less traveled"
      },
      "expansion": "road less traveled (plural roads less traveled)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The less popular or less commonly taken option."
      ],
      "id": "en-road_less_traveled-en-noun-O9~WGSRE",
      "raw_glosses": [
        "(idiomatic) The less popular or less commonly taken option."
      ],
      "related": [
        {
          "word": "off the beaten track"
        }
      ],
      "synonyms": [
        {
          "word": "road less travelled"
        }
      ],
      "tags": [
        "idiomatic"
      ],
      "wikipedia": [
        "The Road Not Taken"
      ]
    }
  ],
  "word": "road less traveled"
}

{
  "etymology_text": "Popularized from one interpretation of Robert Frost's 1915 poem The Road Not Taken.",
  "forms": [
    {
      "form": "roads less traveled",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "roads less traveled"
      },
      "expansion": "road less traveled (plural roads less traveled)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "off the beaten track"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English nouns"
      ],
      "glosses": [
        "The less popular or less commonly taken option."
      ],
      "raw_glosses": [
        "(idiomatic) The less popular or less commonly taken option."
      ],
      "tags": [
        "idiomatic"
      ],
      "wikipedia": [
        "The Road Not Taken"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "road less travelled"
    }
  ],
  "word": "road less traveled"
}