Alert: meaning, definitions and examples

Used to make someone aware of a potential danger or problem, requiring immediate attention or action.

• The lifeguard alerted the swimmers about the strong currents.
• She received an alert on her phone about a severe weather warning.

A message that informs of potential danger or problems, typically giving enough time to avoid or prepare for it. It can have a cautionary tone.

• The sign provided a warning about the slippery floor.
• He gave her a warning about the difficult hiking trail ahead.

A digital or automated message that informs someone about a recent or upcoming event. Generally, it does not imply immediate danger.

• She got a notification about a new email in her inbox.
• The app sent a notification about the latest updates.

A sign or indication that conveys information, often used in the context of communication or transportation.

• The traffic light turned green, giving the signal to go.
• She waved her hand to signal the waiter for the check.

Typically associated with a device or sound that signals danger or requires immediate action. Often has a more intense and urgent connotation.

• The fire alarm went off, and everyone evacuated the building.
• He set his alarm for 6 AM to wake up early.

Use when describing someone who is quick to notice and respond to potential danger or change.

• The security guard was alert to any suspicious behavior
• Stay alert while driving in the rain

Use when describing someone who is watchful and alert, especially to avoid danger or trouble. Often used in contexts requiring ongoing attention.

• The police remained vigilant during the demonstration
• Parents should be vigilant about their children's online activities

Use when discussing someone who is paying close attention to something or someone, often in a caring or considerate manner.

• The teacher was very attentive to her students' needs
• He was an attentive listener during the meeting

Use when talking about someone who continuously observes something carefully to protect against potential problems or dangers.

• The mother kept a watchful eye on her playing children
• The organization was watchful of any signs of fraud

Use when talking about someone who is ready and well-equipped for a situation or task.

• She was well prepared for the exam
• The team was prepared for any emergencies that might arise