Related Clues:

• Post Office suggested ignoring first of letters? That�s telling
• With a tapered tip
• Trained and incisive
• Sharply tapered
• Sharp little boy follows conclusion
• Prepared an arrow shot
• Sharp — indicated
• *With 24-Across, barbs
• Cutting, as a criticism
• Rook, leaving Bury, coming into Hull? It's telling