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# activated

adjective (activated); verb form, the past of «activate» (activate, activates, activated, activating)

«activated» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

1. Switched on or made to start working: an activated alarm or card is now working. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activated/#m1)
2. (science) Made ready to act or react, like activated charcoal, which is treated so it soaks up more stuff. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activated/#m2)
3. Started or called into action: a plan, a team or a body's defences can be activated. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activated/#m3)

### In the lessons

In science it describes something set off, like a switch, a sensor, a chemical or the immune system; in everyday life cards, phones and alarms are activated; in safety talk alarms and sprinklers are activated by smoke or heat; in stories a trap or a robot «activated» means something is about to happen. Phrases: «activated by», «voice-activated», «motion-activated», «activated charcoal».

### Examples

- The fire alarm was activated by burnt toast. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activated/#x1)
- Mum activated her new bank card by phone. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activated/#x2)
- The motion-activated light came on when the fox walked past. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activated/#x3)
- Once the robot was activated, its eyes glowed blue. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activated/#x4)
- Activated charcoal is used in some water filters. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activated/#x5)
- The rescue team was activated after the storm. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activated/#x6)
- Our class tablets were activated with the school's code. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activated/#x7)
- The trap was activated when the explorer stepped on the stone. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activated/#x8)

### Note

Used as a past form («the alarm was activated») and as an adjective («an activated card»). Opposite: deactivated. Spelling: activate + d = activated. Do not confuse with «active» (doing things) — activated means it has been switched on.

## On Mova

- [Trees and pragmatics of «activated» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activated/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«activated» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/activated.html) on Mova free.