1. warning someone of danger or making them aware of something important
Usage: present participle of ‘alert’

1. serving to warn or make aware

Examples

• The security guard is alerting everyone about the fire drill.
• She kept alerting her friends to the sale at the store.
• The teacher is alerting parents about the schedule change.
• An alerting sound came from the smoke detector.
• The alerting system warned drivers of icy conditions.
• He received an alerting message on his phone.
• The alerting tone indicated an emergency broadcast.