alert

word

/əˈɫɝt/
uh-LURT
/ɐlˈɜːt/
uh-LURT

Definition

Being quick to notice danger, changes, or important information. It can also mean a warning or message that tells people to pay attention and act carefully.

Usage & Nuances

Common as both an adjective ('stay alert') and a noun ('weather alert'). As an adjective, it suggests active attention, not just being awake. Common combinations include 'high alert', 'security alert', and 'alert someone to something'.

Example Sentences

The guard was alert all night.

basic

Please stay alert when you cross the street.

basic

My phone sent me a storm alert this morning.

basic

The email looked suspicious, so I knew not to ignore the alert from IT.

natural

After two coffees, I'm finally alert enough to focus.

natural

The whole office went on high alert after the system went down.

natural