Related Clues:

• Act or play start
• Dote preceder
• Prefix meaning between
• Pro's foe
• Not supporting
• Not for
• Less-than-climactic start?
• The "A" of ABM
• National opener
• Knock or social preceder
• Nay voter
• Prefix for freeze
• One who's against
• Definitely not a pro
• Prefix with change or act