Related Clues:

• 'Nay!' sayer
• With the enemy, perhaps
• ''Social'' leader
• Author Shelley
• Not in favor
• Peter and Paul partner
• Proposal opposer
• Opposing voice
• Prefix with freeze
• Freeze front?
• Lamb owner of rhyme
• He's up against it
• Knock opener?
• Opposing opinion
• Prefix with nuclear or freeze