Related Clues:

• Prefix for a nonsupporter
• "__-Hero": Taylor Swift hit
• Prefix with virus
• Opposed to something
• Dissenter, at first?
• ''Nay'' sayer
• Opposite of 39-Down
• Body prefix
• Prefix with "social" or "war"
• Prefix with "hero" or "freeze"
• Prefix for "gravity" or "matter"
• Not on board with