What does the word alert mean?

    Part of speech: noun

  • Alertness.

  • Part of speech: adverb

  • Alertly.

Usage examples for alert

  1. " And I will venture to say," spoke Mr. Beckley, in the course of his after dinner address, on this occasion, " that whatever the future has in store for our friends, they will be found active and alert in time of play, in time of work or in time of danger." – The Auto Boys' Mystery by James A. Braden
  2. A shadow passed across her face, and instantly she was sitting up, alert and excited. – Ronicky Doone by Max Brand
  3. It was evident that he feared something, and every man was on the alert. – Bob the Castaway by Frank V. Webster