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# alert

adjective (alert, more alert, most alert); noun (an alert, alerts); verb (alert, alerts, alerted, alerting)

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

## Everyday

1. Watching and listening carefully, awake and ready to notice danger or act quickly. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/alert/#m1)
2. A warning signal or message about danger or something important (a weather alert, a phone alert). [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/alert/#m2)
3. To warn someone or tell them about something so they can act. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/alert/#m3)
4. On the alert / on high alert: ready and watching for danger. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/alert/#m4)

### In the lessons

In safety lessons «be alert» means keep your eyes and ears open: crossing roads, near water, in crowds. Phones and computers send alerts (notifications); authorities send weather alerts for storms, floods, fires. Animals are alert to predators. Phrases: stay alert, on the alert, high alert, alert someone to something, flood alert, amber alert.

### Examples

- Stay alert when you cross the road. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/alert/#x1)
- The meerkat stood up, alert for eagles. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/alert/#x2)
- My phone gave an alert when the message arrived. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/alert/#x3)
- The town got a flood alert after the heavy rain. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/alert/#x4)
- A neighbour smelled smoke and alerted the fire brigade. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/alert/#x5)
- The guard dog was alert all night. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/alert/#x6)
- After a good sleep you feel more alert in class. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/alert/#x7)
- Police are on high alert during the parade. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/alert/#x8)
- His alert eye caught sight of a rawhide rope staked to the water's brink, which led away toward a small round hut in the distance. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/alert/#x9)

### Note

«Alert» as an adjective is the opposite of «sleepy» or «careless». «Alert someone to something» = warn them about it. Say «an alert» (starts with a vowel sound). Not to be confused with «allergy».

## On Mova

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