alert
Definition
- n. condition of heightened watchfulness or preparation for action
- n. a warning serves to make you more alert to danger
- adj. engaged in or accustomed to close observation
- adj. quick and energetic
Word forms
- Past participle
- alerted
- Past tense
- alerted
- Present participle
- alerting
- Third person singular
- alerts
Example sentences
a.
She was alert to the sounds around her while hiking in the forest.
n.
The fire alarm went off, and everyone had to evacuate the building.
vt.
The teacher alerted the students about the upcoming exam.