"razor-thin" meaning in English

{
  "etymology_text": "First use appears c. 1909, in the Washington Post.",
  "forms": [
    {
      "form": "razor thin",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "razor-thin (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "glosses": [
        "Extremely fine; so thin as to be almost invisible."
      ],
      "id": "en-razor-thin-en-adj-I0xI30~b",
      "links": [
        [
          "fine",
          "fine"
        ],
        [
          "invisible",
          "invisible"
        ]
      ],
      "raw_glosses": [
        "(literally) Extremely fine; so thin as to be almost invisible."
      ],
      "synonyms": [
        {
          "word": "paper-thin"
        }
      ],
      "tags": [
        "literally",
        "not-comparable"
      ],
      "translations": [
        {
          "_dis1": "98 2",
          "code": "de",
          "lang": "German",
          "sense": "extremely fine; so thin as to be almost invisible",
          "word": "hauchdünn"
        }
      ]
    },
    {
      "categories": [
        {
          "_dis": "23 77",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "19 81",
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "18 82",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "10 90",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "22 78",
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "The Socialists have a razor-thin majority.",
          "type": "example"
        }
      ],
      "glosses": [
        "A very small difference, or advantage, when comparing two items."
      ],
      "id": "en-razor-thin-en-adj-1j6RX9eH",
      "links": [
        [
          "difference",
          "difference"
        ],
        [
          "advantage",
          "advantage"
        ]
      ],
      "raw_glosses": [
        "(figuratively) A very small difference, or advantage, when comparing two items."
      ],
      "tags": [
        "figuratively",
        "not-comparable"
      ],
      "translations": [
        {
          "_dis1": "2 98",
          "code": "de",
          "lang": "German",
          "sense": "a very small difference, or advantage, when comparing two items",
          "word": "hauchdünn"
        }
      ]
    }
  ],
  "wikipedia": [
    "Washington Post"
  ],
  "word": "razor-thin"
}

{
  "categories": [
    "English adjectives",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English uncomparable adjectives",
    "Entries with translation boxes",
    "Pages with 1 entry",
    "Pages with entries",
    "Terms with German translations"
  ],
  "etymology_text": "First use appears c. 1909, in the Washington Post.",
  "forms": [
    {
      "form": "razor thin",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "razor-thin (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "glosses": [
        "Extremely fine; so thin as to be almost invisible."
      ],
      "links": [
        [
          "fine",
          "fine"
        ],
        [
          "invisible",
          "invisible"
        ]
      ],
      "raw_glosses": [
        "(literally) Extremely fine; so thin as to be almost invisible."
      ],
      "synonyms": [
        {
          "word": "paper-thin"
        }
      ],
      "tags": [
        "literally",
        "not-comparable"
      ]
    },
    {
      "categories": [
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "The Socialists have a razor-thin majority.",
          "type": "example"
        }
      ],
      "glosses": [
        "A very small difference, or advantage, when comparing two items."
      ],
      "links": [
        [
          "difference",
          "difference"
        ],
        [
          "advantage",
          "advantage"
        ]
      ],
      "raw_glosses": [
        "(figuratively) A very small difference, or advantage, when comparing two items."
      ],
      "tags": [
        "figuratively",
        "not-comparable"
      ]
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "extremely fine; so thin as to be almost invisible",
      "word": "hauchdünn"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "a very small difference, or advantage, when comparing two items",
      "word": "hauchdünn"
    }
  ],
  "wikipedia": [
    "Washington Post"
  ],
  "word": "razor-thin"
}