"lightfast" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "light",
        "3": "fast"
      },
      "expansion": "light + fast",
      "name": "com"
    },
    {
      "args": {
        "1": "is",
        "2": "litfast",
        "t": "colourfast"
      },
      "expansion": "Icelandic litfast (“colourfast”)",
      "name": "ncog"
    }
  ],
  "etymology_text": "From light + fast. Compare Icelandic litfast (“colourfast”).",
  "forms": [
    {
      "form": "more lightfast",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most lightfast",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lightfast (comparative more lightfast, superlative most lightfast)",
      "name": "en-adj"
    }
  ],
  "hyphenation": [
    "light‧fast"
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Russian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Ukrainian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Vietnamese translations",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "lightfastness"
        }
      ],
      "examples": [
        {
          "text": "Verdigris is lightfast in oil paint, as numerous examples of fifteenth-century paintings show.",
          "type": "example"
        },
        {
          "ref": "2004, Peter K. Burian, Masteringdigital Photography and Imaging, page 75:",
          "text": "Some ink-and-paper combinations are more lightfast than others, and the resulting prints are more fade-resistant.",
          "type": "quote"
        },
        {
          "ref": "2009, Anthony Covington, Tony Covington, Tanning Chemistry: The Science of Leather, page 286:",
          "text": "Tara, a gallotannin, is often quoted as being the most lightfast vegetable tannin and makes very pale coloured leather.",
          "type": "quote"
        },
        {
          "ref": "2010, Sherry Stone Clifton, Anita Marie Giddings, Pastels For Dummies, unnumbered page:",
          "text": "The blue, or cyan, is the most lightfast ink used in the printing process, so it lasts the longest. That blue, incidentally, is the phthalocyanine blue pigment.\nYou can easily test to determine whether any material is lightfast.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Resistant to fading."
      ],
      "hypernyms": [
        {
          "word": "sunfast"
        }
      ],
      "id": "en-lightfast-en-adj-sGaKv4rz",
      "links": [
        [
          "fading",
          "fade"
        ]
      ],
      "synonyms": [
        {
          "sense": "resistant to fading",
          "word": "nonfading"
        },
        {
          "sense": "resistant to fading",
          "word": "unfadeable"
        },
        {
          "sense": "resistant to fading",
          "word": "colorfast"
        }
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "resistant to fading",
          "word": "valonkestävä"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "resistant to fading",
          "word": "lichtecht"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "svetostojkij",
          "sense": "resistant to fading",
          "word": "светостойкий"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "svetopročnyj",
          "sense": "resistant to fading",
          "word": "светопрочный"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "resistant to fading",
          "word": "no desteñible"
        },
        {
          "code": "uk",
          "lang": "Ukrainian",
          "roman": "svitlostijkýj",
          "sense": "resistant to fading",
          "word": "світлостійки́й"
        },
        {
          "code": "vi",
          "lang": "Vietnamese",
          "sense": "resistant to fading",
          "word": "bền"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈlaɪtfæst/",
      "tags": [
        "US"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Vealhurl-lightfast.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/1d/LL-Q1860_%28eng%29-Vealhurl-lightfast.wav/LL-Q1860_%28eng%29-Vealhurl-lightfast.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/1d/LL-Q1860_%28eng%29-Vealhurl-lightfast.wav/LL-Q1860_%28eng%29-Vealhurl-lightfast.wav.ogg"
    }
  ],
  "word": "lightfast"
}

{
  "derived": [
    {
      "word": "lightfastness"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "light",
        "3": "fast"
      },
      "expansion": "light + fast",
      "name": "com"
    },
    {
      "args": {
        "1": "is",
        "2": "litfast",
        "t": "colourfast"
      },
      "expansion": "Icelandic litfast (“colourfast”)",
      "name": "ncog"
    }
  ],
  "etymology_text": "From light + fast. Compare Icelandic litfast (“colourfast”).",
  "forms": [
    {
      "form": "more lightfast",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most lightfast",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lightfast (comparative more lightfast, superlative most lightfast)",
      "name": "en-adj"
    }
  ],
  "hypernyms": [
    {
      "word": "sunfast"
    }
  ],
  "hyphenation": [
    "light‧fast"
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English compound terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms with quotations",
        "English terms with usage examples",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with German translations",
        "Terms with Russian translations",
        "Terms with Spanish translations",
        "Terms with Ukrainian translations",
        "Terms with Vietnamese translations"
      ],
      "examples": [
        {
          "text": "Verdigris is lightfast in oil paint, as numerous examples of fifteenth-century paintings show.",
          "type": "example"
        },
        {
          "ref": "2004, Peter K. Burian, Masteringdigital Photography and Imaging, page 75:",
          "text": "Some ink-and-paper combinations are more lightfast than others, and the resulting prints are more fade-resistant.",
          "type": "quote"
        },
        {
          "ref": "2009, Anthony Covington, Tony Covington, Tanning Chemistry: The Science of Leather, page 286:",
          "text": "Tara, a gallotannin, is often quoted as being the most lightfast vegetable tannin and makes very pale coloured leather.",
          "type": "quote"
        },
        {
          "ref": "2010, Sherry Stone Clifton, Anita Marie Giddings, Pastels For Dummies, unnumbered page:",
          "text": "The blue, or cyan, is the most lightfast ink used in the printing process, so it lasts the longest. That blue, incidentally, is the phthalocyanine blue pigment.\nYou can easily test to determine whether any material is lightfast.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Resistant to fading."
      ],
      "links": [
        [
          "fading",
          "fade"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈlaɪtfæst/",
      "tags": [
        "US"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Vealhurl-lightfast.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/1d/LL-Q1860_%28eng%29-Vealhurl-lightfast.wav/LL-Q1860_%28eng%29-Vealhurl-lightfast.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/1d/LL-Q1860_%28eng%29-Vealhurl-lightfast.wav/LL-Q1860_%28eng%29-Vealhurl-lightfast.wav.ogg"
    }
  ],
  "synonyms": [
    {
      "sense": "resistant to fading",
      "word": "nonfading"
    },
    {
      "sense": "resistant to fading",
      "word": "unfadeable"
    },
    {
      "sense": "resistant to fading",
      "word": "colorfast"
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "resistant to fading",
      "word": "valonkestävä"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "resistant to fading",
      "word": "lichtecht"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "svetostojkij",
      "sense": "resistant to fading",
      "word": "светостойкий"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "svetopročnyj",
      "sense": "resistant to fading",
      "word": "светопрочный"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "resistant to fading",
      "word": "no desteñible"
    },
    {
      "code": "uk",
      "lang": "Ukrainian",
      "roman": "svitlostijkýj",
      "sense": "resistant to fading",
      "word": "світлостійки́й"
    },
    {
      "code": "vi",
      "lang": "Vietnamese",
      "sense": "resistant to fading",
      "word": "bền"
    }
  ],
  "word": "lightfast"
}