fast-acting

adjective

Taking effect quickly.

“a fast-acting analgesic”

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Meanings

adjectivefast-acting (comparative faster-acting or more fast-acting, superlative fastest-acting or most fast-acting)

comparative faster-acting · comparative more fast-acting · superlative fastest-acting · superlative most fast-acting

  1. Taking effect quickly.

    a fast-acting analgesic

    1 more example

    Is this a fast-acting cancer?

Translations

Spanish de acción rápida, de rápida acción
  • de acción rápidaTranslations
  • de rápida acciónTranslations
Cite this entry
APA

fast-acting. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/fast-acting

MLA

“fast-acting.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fast-acting. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “fast-acting,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/fast-acting.

Source: fast-acting on Wiktionary, CC BY-SA 4.0.