Definitions
engaged in or accustomed to close observation
Word origin
From French alerte (“alert”), from the phrase à l'erte (“on the watch”), from Italian all'erta (“to the height”), from erta (“lookout, tower”).
Used in a sentence
“I saw an alert young fellow that cocked his hat upon a friend of his who entered just at the same time with myself”
“an airborne alert; ground alert”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Quick to notice danger”5 letters
02“Warning or watchful”5 letters
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