Related Clues:

• Sharp, as vision
• Sharply focused
• Finely honed
• Gung ho
• Very sharp
• Not dull
• Peachy follower
• Shrewdly astute
• Vivid
• Very perceptive
• Sharp, as wits
• "Neato!"
• Well sharpened
• Peachy ___
• Piercing cry