Cool MateAlert
UK /["/əˈlɜːt/","/əˈlɜːts/","/əˈlɜːtɪd/","/əˈlɜːtɪŋ/"]/US /["/əˈlɜːrt/","/əˈlɜːrts/","/əˈlɜːrtɪd/","/əˈlɜːrtɪŋ/"]/
Definition
to warn somebody about a dangerous situation or one that requires immediate action
In simple words: Aware and paying attention; quick to notice things.
Examples
- Neighbours quickly alerted the emergency services.
- Alerted by a noise downstairs, he sat up and turned on the light.
- The coastguard were alerted that a yacht had run into difficulties.
- They had been alerted to the possibility of further price rises.
Usage notes
Use 'alert' to describe someone who is attentive. It can be used in formal and informal contexts, but avoid using it in very casual conversations.
Grammar pattern
be + alert
Memory hint
Think of a 'bird alert' in the sky, always on the lookout!
Collocations
- stay alert
- alert to danger
- make someone alert
- be alert for signs
Synonyms
- vigilant
- aware
- attentive
- observant
- watchful
Antonyms
- unaware
- distracted
- sleepy
Common mistakes
- 'Alert' used as a noun instead of an adjective.
- Confused with 'alarmed', which means frightened.
- Using 'alerts' incorrectly as a verb form.