alert

verb
C1+
1
C1+
to warn somebody about a dangerous situation or one that requires immediate action
هشدار دادن, اخطار دادن, آگاه ساختن, اعلام خطر کردن
2
C1+
to make somebody aware of something
آگاه کردن, اطلاع دادن, هوشیار کردن, خبردار کردن, آگاهی دادن
They had been alerted to the possibility of further price rises.
noun
C1+
1
C1+
a situation in which people are watching for danger and ready to deal with it
هشدار, حالت آماده‌باش
2
C1+
a warning of danger or of a problem
هشدار, اخطار, اعلان خطر, زنگ خطر, پیام هشدار
a bomb/fire alert
see also bomb alert, red alert, spoiler alert
3
a signal on an electronic device to inform the user of something or remind them to do something
هشدار, پیام خطر, آلارم, اعلام خطر
You can set a vibrating alert to remind you.
Receive regular email alerts about breaking news.
see also push alert
adjective
C1+
1
C1+
able to think quickly; quick to notice things
هوشیار, زیرک, گوش‌به‌زنگ, تیزبین
2
C1+
aware of something, especially a problem or danger
هشیار, آگاه, گوش‌به‌زنگ, مراقب, هوشیار
We must be alert to the possibility of danger.
She was alert to the slightest sound.