Related Clues:

• Rarefied
• Pizza parlor choice
• Sparsely distributed
• Like Olive Oyl
• Add water, e.g.
• Far from plentiful
• Twiggy-like
• Insubstantial
• Pizza-ordering choice
• Not safe to skate on, say
• Weed out
• Like string beans
• Pizza-crust type
• Lank
• Not obese in the least