Related Clues:

• Revealing
• Like cabs on a rainy day
• Limited
• At a premium
• Barely adequate
• Hard to find
• Infrequent
• Exiguous
• Like hen's teeth, so to speak
• Insufficient
• Like capital letters in many E. E. Cummings poems
• Paltry
• Like cabs on a rainy day, seemingly
• Sparse
• In short supply