Related Clues:

• ''That's a shame!''
• "My apologies"
• Word of apology
• "My bad"
• Inferior, as excuses go
• Far from joyful
• Cry-worthy
• Feeling mopey
• Like the ending of ''Romeo and Juliet''
• Moping
• In a blue state?
• Blew
• ''My apologies''
• Feeling gloomy
• Needing a 53-Across