Word.ws English Dictionary

activated

activated is the simple past and past participle of activate.

Meaning of activate

Verb

activate (third-person singular simple present activates, present participle activating, simple past and past participle activated)

  1. (transitive) To encourage development or induce increased activity; to stimulate.
    • activate the economy
  2. (transitive) To put a device, mechanism (alarm etc.) or system into action or motion; to trigger, to actuate, to set off, to enable.
    • The pranksters activated the fire alarm by spraying deodorant next to it.
  3. (transitive) To render more reactive; excite.
  4. (transitive) To render a molecule reactive, active, or effective in performing its function.
  5. (transitive) To render a substance radioactive.
  6. (transitive) To hasten a chemical reaction, especially by heating.

See all 11 meanings of activate

Forms of activated

comparativemore activated
superlativemost activated

Words formed from activated

Phrases with activated

Questions about activated

What is activated the simple past and past participle of?
Activated is the simple past and past participle of activate.

Words near activated in the dictionary

  1. activases
  2. activatability
  3. activatable
  4. activate
  5. activate someone's almonds
  6. activated
  7. activated alumina
  8. activated carbon
  9. activated charcoal
  10. activated clotting time
  11. activated clotting times

Source and license

Adapted from Wiktionary: activated (page history and authors); activate (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “activated.” Word.ws, https://word.ws/activated. Based on Wiktionary, CC BY-SA 4.0.