Related Clues:

• Sharp angle
• Extremely sharp or intense
• Prudent
• Less than 90 degrees
• Like some triangle angles
• Acutely sensitive
• Knowledgeable
• Gymnastically inclined
• Quick to learn
• Gifted
• Sharp or severe
• Quite sharp, as a pain
• Well-tuned
• Angle less than 90 degrees
• Gymnast-like