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

See also: achromatic, neutral

• uncaring
• uncarpeted
• uncarved
• uncase
• uncastrated
• uncategorised
• uncategorized
• uncaulked
• uncaused
• unceasing
• unceasingly
• uncensored
• unceremonial
• unceremonious
• unceremoniously
• unceremoniousness
• uncertain
• uncertainly
• uncertainness
• uncertainty
• uncertainty principle
• uncertified
• unchain
• unchained
• unchallengeable