"razor-sharp" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "adjective",
        "head": "razor-sharp"
      },
      "expansion": "razor-sharp",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "examples": [
        {
          "text": "The executioner was proud that he kept his axe razor-sharp, so no prisoner would feel any pain when his head was cut off."
        }
      ],
      "glosses": [
        "As sharp as a razor; extremely sharp."
      ],
      "id": "en-razor-sharp-en-adj-gDkhMEcE",
      "links": [
        [
          "sharp",
          "sharp"
        ],
        [
          "razor",
          "razor"
        ]
      ],
      "synonyms": [
        {
          "_dis1": "100 0",
          "word": "razor sharp"
        }
      ],
      "translations": [
        {
          "_dis1": "85 15",
          "code": "de",
          "lang": "German",
          "sense": "as sharp as a razor, extremely or ultimately sharp",
          "word": "messerscharf"
        },
        {
          "_dis1": "85 15",
          "code": "de",
          "lang": "German",
          "sense": "as sharp as a razor, extremely or ultimately sharp",
          "word": "rasiermesserscharf"
        },
        {
          "_dis1": "85 15",
          "code": "grc",
          "lang": "Ancient Greek",
          "roman": "xurḗkēs",
          "sense": "as sharp as a razor, extremely or ultimately sharp",
          "word": "ξυρήκης"
        },
        {
          "_dis1": "85 15",
          "code": "hu",
          "lang": "Hungarian",
          "sense": "as sharp as a razor, extremely or ultimately sharp",
          "word": "borotvaéles"
        },
        {
          "_dis1": "85 15",
          "code": "sv",
          "lang": "Swedish",
          "sense": "as sharp as a razor, extremely or ultimately sharp",
          "word": "knivskarp"
        },
        {
          "_dis1": "85 15",
          "code": "sv",
          "lang": "Swedish",
          "sense": "as sharp as a razor, extremely or ultimately sharp",
          "word": "rakbladsvass"
        }
      ]
    },
    {
      "categories": [
        {
          "_dis": "43 57",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Very clever or quick-witted."
      ],
      "id": "en-razor-sharp-en-adj-qmdvRrGK",
      "links": [
        [
          "clever",
          "clever"
        ],
        [
          "quick-witted",
          "quick-witted"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Very clever or quick-witted."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-razor-sharp.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c8/En-au-razor-sharp.ogg/En-au-razor-sharp.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/c/c8/En-au-razor-sharp.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "razor-sharp"
}

{
  "categories": [
    "English adjectives",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English terms with audio links"
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "adjective",
        "head": "razor-sharp"
      },
      "expansion": "razor-sharp",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "examples": [
        {
          "text": "The executioner was proud that he kept his axe razor-sharp, so no prisoner would feel any pain when his head was cut off."
        }
      ],
      "glosses": [
        "As sharp as a razor; extremely sharp."
      ],
      "links": [
        [
          "sharp",
          "sharp"
        ],
        [
          "razor",
          "razor"
        ]
      ]
    },
    {
      "categories": [
        "English idioms"
      ],
      "glosses": [
        "Very clever or quick-witted."
      ],
      "links": [
        [
          "clever",
          "clever"
        ],
        [
          "quick-witted",
          "quick-witted"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Very clever or quick-witted."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-razor-sharp.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c8/En-au-razor-sharp.ogg/En-au-razor-sharp.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/c/c8/En-au-razor-sharp.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "synonyms": [
    {
      "word": "razor sharp"
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "as sharp as a razor, extremely or ultimately sharp",
      "word": "messerscharf"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "as sharp as a razor, extremely or ultimately sharp",
      "word": "rasiermesserscharf"
    },
    {
      "code": "grc",
      "lang": "Ancient Greek",
      "roman": "xurḗkēs",
      "sense": "as sharp as a razor, extremely or ultimately sharp",
      "word": "ξυρήκης"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "as sharp as a razor, extremely or ultimately sharp",
      "word": "borotvaéles"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "as sharp as a razor, extremely or ultimately sharp",
      "word": "knivskarp"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "as sharp as a razor, extremely or ultimately sharp",
      "word": "rakbladsvass"
    }
  ],
  "word": "razor-sharp"
}