fast-acting in English

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{
  "forms": [
    {
      "form": "faster-acting",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "more fast-acting",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "fastest-acting",
      "tags": [
        "superlative"
      ]
    },
    {
      "form": "most fast-acting",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "+first,more"
      },
      "expansion": "fast-acting (comparative faster-acting or more fast-acting, superlative fastest-acting or most fast-acting)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
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          "source": "w"
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          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              10,
              21
            ]
          ],
          "text": "Is this a fast-acting cancer?",
          "type": "example"
        }
      ],
      "glosses": [
        "taking effect quickly"
      ],
      "id": "en-fast-acting-en-adj-oT2owScS",
      "links": [
        [
          "effect",
          "effect"
        ]
      ],
      "translations": [
        {
          "code": "es",
          "lang": "Spanish",
          "lang_code": "es",
          "sense": "Translations",
          "word": "de acción rápida"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "lang_code": "es",
          "sense": "Translations",
          "word": "de rápida acción"
        }
      ]
    }
  ],
  "word": "fast-acting"
}

[Show JSON for raw wiktextract data ▼] [Hide JSON for raw wiktextract data ▲]

{
  "forms": [
    {
      "form": "faster-acting",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "more fast-acting",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "fastest-acting",
      "tags": [
        "superlative"
      ]
    },
    {
      "form": "most fast-acting",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "+first,more"
      },
      "expansion": "fast-acting (comparative faster-acting or more fast-acting, superlative fastest-acting or most fast-acting)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with usage examples",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Spanish translations",
        "Translation table header lacks gloss"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              10,
              21
            ]
          ],
          "text": "Is this a fast-acting cancer?",
          "type": "example"
        }
      ],
      "glosses": [
        "taking effect quickly"
      ],
      "links": [
        [
          "effect",
          "effect"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "es",
      "lang": "Spanish",
      "lang_code": "es",
      "sense": "Translations",
      "word": "de acción rápida"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "lang_code": "es",
      "sense": "Translations",
      "word": "de rápida acción"
    }
  ],
  "word": "fast-acting"
}

This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2026-02-11 from the enwiktionary dump dated 2026-02-01 using wiktextract (f492ef9 and 59dc20b). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.

"fast-acting" meaning in English

Adjective

Inflected forms