Related Clues:

• That's more than 2 down or less than usual
• It's unusual for them to be comparatively underdone
• And what's more, it's unusual (5)
• More unusually more underdone
• Not so many RRR?
• 'Not, as usual, more underdone (5)'
• Less done, as steak
• More bloody, so to speak
• Worth more to collectors, say
• Less abundant
• Not so well-done
• Not so prevalent
• Closer to raw, as a steak
• A no-hitter compared to a one-hitter, e.g
• Harder to get