Part of speech: Adjective (satellite)
mentally perceptive and responsive
Example: an alert mind; alert to the problems; alive to what is going on; awake to the dangers of her situation; was now awake to the reality of his predicament
Part of speech: Adjective (satellite)
quick and energetic
Example: a brisk walk in the park; a lively gait; a merry chase; traveling at a rattling rate; a snappy pace; a spanking breeze
Part of speech: Adjective
engaged in or accustomed to close observation
Example: caught by a couple of alert cops; alert enough to spot the opportunity when it came; constantly alert and vigilant, like a sentinel on duty
Part of speech: Noun
condition of heightened watchfulness or preparation for action
Example: bombers were put on alert during the crisis
Part of speech: Noun
an automatic signal (usually a sound) warning of danger
Part of speech: Noun
a warning serves to make you more alert to danger
Part of speech: Verb
warn or arouse to a sense of danger or call to a state of preparedness
Example: The empty house alarmed him; We alerted the new neighbors to the high rate of burglaries