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

See also: achromatic, neutral

• rebuff
• rebuild
• rebuilding
• rebuke
• rebuker
• rebukingly
• reburial
• rebury
• reburying
• rebus
• rebut
• rebuttable
• rebuttal
• rebutter
• rec room
• recalcitrance
• recalcitrancy
• recalcitrant
• recalcitrate
• recalculate
• recalculation
• recall
• recall dose
• recant
• recantation