Related Clues:

• 'So what?'
• "Big deal"
• Only O.K.
• Overfamiliar through overuse
• Lacking brightness
• Just O.K.
• 'Whatever ...'
• All right
• Like old bread
• Dull as dishwater
• Past the freshness date
• 'Who cares?'
• Hardly glitzy
• Past its prime
• Evoking an 'eh'