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alert

9 ENTRIES FOUND:

1alert

adj \ə-ˈlərt\

Definition of ALERT

1
a : watchful and prompt to meet danger or emergency b : quick to perceive and act
alert·ly adverb
alert·ness noun

Examples of ALERT

  1. An alert guard stopped the robbers.
  2. He was tired and had trouble staying alert while he was driving.
  3. She wasn't mentally alert enough to answer the questions.
  4. An alert watchdog guarded the door.

Origin of ALERT

Italian all'erta, on the watch, literally, on the height
First Known Use: 1618

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