Related Clues:

• Negative types
• Negative replies
• Negative votes
• Lottery selections, briefly
• (K) Backward SON?
• They battle pros
• Oppositionists
• Negatives
• 5 & 10, for ex.
• Us (Sp.)
• Calculator figs.
• They just say 'no'
• Sudoku fill: abbr.
• Crossword diag. markers
• Pros' foes