alert
1 antonym for alert — opposites grouped by meaning.
Adj — Watchful and paying close attention; ready to notice or react quickly.
Synonyms by Meaning
1. adj
Watchful and paying close attention; ready to notice or react quickly.
“Stay alert while driving at night.”
Opposites
unalert
2. noun
A warning or notification about something that needs attention.
“She got a weather alert on her phone about the incoming storm.”
3. verb
To warn someone about something.
“A neighbor alerted the fire department to the smoke.”
Antonyms
unalert
How to use alert
The word patterns that sound natural to a native speaker.
stay alert
issue an alert
on high alert
security alert
Etymology
From French alerte, from the Italian phrase all'erta, "to the height" (i.e., watching from a tower or lookout).
Full origin of alert →Frequently asked questions
What does “alert” mean?
The word “alert” means watchful and paying close attention; ready to notice or react quickly. In plain terms, being watchful and ready to react, or a warning message telling you something needs attention.
How do you pronounce “alert”?
“Alert” is pronounced uh-LURT (/əˈlɝt/ in IPA).
How do you use “alert” in a sentence?
Here is “alert” used in a sentence: “Stay alert while driving at night.”
What part of speech is “alert”?
Depending on how it is used, “alert” can be an adjective, a noun and a verb.
Where does the word “alert” come from?
The word “alert” comes from French. From French alerte, from the Italian phrase all'erta, "to the height" (i.e., watching from a tower or lookout).
Is “alert” a common word?
“Alert” is a fairly common word in modern English, usually learned at around the B2 level.
How many meanings does “alert” have?
“Alert” has 3 distinct senses listed in this dictionary. The most common is: watchful and paying close attention; ready to notice or react quickly.
What is the difference between an "alert" and an "alarm"?
An alert is a warning or notification that draws attention to something needing action. An alarm is usually a device or signal triggered by danger, or the feeling of fear it causes; you can receive an alert without it causing alarm.
When should you use "alert" instead of "aware"?
Use "alert" for someone who is watchful and ready to react quickly, and "aware" for someone who simply knows or notices that something exists. A guard can be aware of a risk but must stay alert to respond to it in time.
What is the difference between an "alert" and a "notification"?
Both are messages that draw attention, but an alert usually signals something urgent or important that needs a quick response. A notification can be any routine update, which is why apps often separate critical alerts from ordinary notifications.
