3 Metaphors for alert

Baxter was small, and slight, and dapper as to person, clean-shaven, alert of eye, and soft of movement,in a word, Baxter was the cream of gentlemen's gentlemen, and the very acme of what a valet should be, from the very precise parting of his glossy hair, to the trim toes of his glossy boots.

They had started nearly eventhe Alert and Champion being a little in advance of the Speedwelland the boys knew that the race was to be a fair trial of the speed of their boats.

Ten minutes' run brought them across the river; and when Frank, proud of the victory he had gained, rounded the long dock, the Alert was full four rods behind.

3 Metaphors for  alert