Pronunciation: /əˈlɜrt/
noun a state of being watchful and ready for danger or opportunity
A1 I heard an alert on my phone and quickly checked to see what it was.
A2 The weather alert warned us of an incoming storm.
B1 The security guard issued an alert about a suspicious person in the building.
B2 The government issued a health alert due to a contagious disease outbreak.
C1 The airline pilot received an alert about potential turbulence ahead.
C2 The cybersecurity team was on high alert after detecting a potential cyber attack.
verb to warn or notify someone of a potential danger or problem
A1 I alert my friend when I see a spider.
A2 The smoke alarm alerted us to the fire in the building.
B1 The security guard alerted the authorities about the suspicious activity.
B2 The weather forecast alerted residents to prepare for a severe storm.
C1 The cybersecurity team alerted the company about a potential data breach.
C2 The whistleblower alerted the media to the corruption within the organization.
adjective quick to notice any unusual and potentially dangerous situation
A1 The alarm clock is set to alert me in the morning.
A2 The lifeguard was alert and ready to jump into action if needed.
B1 Drivers should be alert for any sudden changes in road conditions.
B2 The security guard remained alert throughout the night, keeping watch over the building.
C1 The detective's keen eye and alert mind helped solve the complex case.
C2 The soldier remained alert and focused during the intense battle, never letting his guard down.
adverb in a vigilant and attentive manner
A1 The dog barked alertly at the sound of footsteps outside.
A2 She listened alertly for any signs of danger in the dark alleyway.
B1 The security guard patrolled the building alertly, ready to respond to any suspicious activity.
B2 The pilot remained alertly focused on the controls during the turbulent flight.
C1 The detective scanned the room alertly, searching for any clues that could solve the case.
C2 The soldier remained alertly vigilant during the night watch, keeping an eye out for any potential threats.
formal The security system sent out an alert when it detected motion outside the building.
informal I set an alert on my phone to remind me of the meeting tomorrow.
slang I'm always on high alert when walking alone at night.
figurative The sudden drop in stock prices should alert investors to potential risks.
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