alert
Translation
watchful, vigilant, quick to notice
Examples
You need to be alert to any danger.
You need to be alert to any danger.
He was tired and not very alert.
He was tired and not very alert.
Grammar Patterns
be alert ((to sth.)) to be watchful for (sth.) You need to be alert to any danger.
Similar Words
Synonyms: watchful, vigilant, attentive; Antonyms: drowsy, inattentive, unaware
Etymology
From Old French `a l'erte` ('on the watch'), from Italian `all'erta` ('to the watchtower').
Memory Tips
Think of an 'alarm' that makes you 'alert' and ready to act.