1. Of black tinged with grey
   - grey-black [Brit, Cdn], gray-black [US], greyish-black [Brit, Cdn]

See also: achromatic, neutral

• off one's guard
• off spin
• off the beaten track
• off the cuff
• off the hook
• off the record
• off year
• off your guard
• off-and-on
• off-axis reflector
• off-base
• off-Broadway
• off-center
• off-centered
• off-centre
• off-centred
• off-color
• off-colour
• off-day
• off-guard
• Robert's Rules of Order
• Roberto Francesco Romolo Bellarmine
• Roberts
• Robertson
• Robeson