Related Clues:

• Ruby, for one
• -
• Ending with comment or liquid
• Lousy grade
• Ruby of ''A Raisin in the Sun''
• Sad ending?
• Origin suffix
• It'll barely pass you
• Fiddle-de-___
• Disappointing mark
• Balmoral Castle river
• Pointed end?
• Hardly a mark to be proud of
• Dream starter?
• Billy ___ Williams