Related Clues:

• See 40-Across
• Word before a discounted price
• Part of S.R.O.
• Word of exclusivity
• 'For Your Eyes ___'
• Child with no siblings
• The “O” in ROM
• As recently as
• One's partner
• Type of child without siblings
• Merely
• Word on a sale sign, perhaps
• At most
• More of the answer
• Lone