Related Clues:

• Worth a C, perhaps
• Lacking enthusiasm
• Just passing
• Uninspired
• Pompous talk
• Not that great
• "Okay, I guess"
• Only fair
• Okay but not great
• Not at all interesting
• Sans verve
• ''Comme ci, comme ca''
• 'I've been better'
• Like a grade of C
• Eliciting a shrug, perhaps