1. Of the color of slate or granite
   - slate-grey [Brit, Cdn], slate-gray [US], slaty-grey [Brit, Cdn], slaty-gray [US], slaty, slatey, stone-grey [Brit, Cdn]

See also: achromatic, neutral

• riparian forest
• riparian right
• ripcord
• ripe
• ripe olive
• ripely
• ripen
• ripened
• ripeness
• ripening
• ripieno
• riposte
• ripper
• ripping
• ripping bar
• ripping chisel
• ripple
• ripple effect
• ripple mark
• ripple-grass
• rippled
• rippling
• ripply
• riprap
• ripsaw