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

• flowering raspberry
• flowering shrub
• flowering spurge
• flowering stone
• flowering tobacco
• flowering tree
• flowering wintergreen
• flowerless
• flowerpot
• flowers of zinc
• flowers-of-an-hour
• flowery
• flowing
• floxuridine
• Floyd Bennett
• flu
• flub
• fluctuant
• fluctuate
• fluctuating
• fluctuation
• flue
• flue pipe
• flue stop
• fluegelhorn