When you are alert, you are aware and ready to react in a hurry. You are on your guard, and you are ready to fight or run if necessary.
He always seems to be alert, even in the middle of the night.
Being alert is important because you never know when the danger will come.
noun
a state of readiness to respond
Synonyms:
noun
the process of paying close and continuous attention
Synonyms:
noun
lively attentiveness
Synonyms:
1
Teaching is directed towards developing mental alertness of the candidates.
2
The milkmaid sends an alert.
3
I will alert the creator of the map.
4
He alerts the authorities to the secret.
5
The board alerted the Emperor to the event.
6
The brothers escape and alert the police.
7
The centurion alerted the Emperor to the event.
8
The girl escapes and alerts the police.
9
The rooster is a symbol for watchfulness and alertness.
10
After the millennium alert, the government relaxed.