Definition of "sharp-eyed" [sharp-eyed]

• Having keen eyesight. (adjective)
• Keenly perceptive or observant; alert. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Kolenda, a West Point graduate with the sharp-eyed, comforting manner of a family physician, commanded the 1st Squadron of the 91st Cavalry from May 2007 to July 2008 in northeastern Afghanistan, on the border with Pakistan."
• "The story gets better — a sharp-eyed Sugar Creek customer was on vacation in Hawaii and saw that the article had been picked up by the newspaper West Hawaii Today!"
• "It's also witty and heartfelt, especially in its sharp-eyed but sympathetic portrayal of Ruth Carson (Linda Gillum), an expatriate of a certain age whose too-placid marriage to an older man (played by David Darlow) has given her a wandering eye."