Related Clues:

• Mitigating prefix
• One who objects
• 'Nay' sayer
• Proposal opponent
• Prefix with ''body'' or ''corrosion''
• Speaking start
• Knock intro
• Sure to vote against
• Sine qua __
• Negative voter
• No voter
• ''No'' voter
• Discriminatory leader?
• ''Matter'' or ''hero'' prefix
• __ sequitur