Related Clues:

• Word with wit or dresser
• Not dull
• Like a razor
• __ as a tack
• Like a useful knife
• Pitched too high
• Off-key, perhaps
• #
• Keen-edged
• On the ball or on the dot
• Good for cutting
• In perfect focus
• Cheddar type
• Opposite of dull
• Like a good knife