vigilant
/ˈvɪd͡ʒɪlənt/ adjective C1- Watchful, especially for danger or disorder; alert; wary. · Be vigilant for signs of disease in your garden.
From the library
However, those experienced in navigation saw plainly that if any accident had occurred, it was not to the vessel herself, for she bore down with all the evidence of being skilfully handled, the anchor a-cockbill, the jib-boom guys already eased off, and standing by the side of the pilot, who was steering the Pharaon towards the narrow entrance of the inner port, was a young man, who, with activity and vigilant eye, watched every motion of the ship, and repeated each direction of the pilot.
Nevertheless, we must remain constantly vigilant about what is quietly slipping away as we stare intently at our glowing dashboards.
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