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

See also: achromatic, neutral

• ill-fitting
• ill-formed
• ill-gotten
• ill-humored
• ill-humoured
• ill-informed
• ill-judged
• ill-mannered
• ill-natured
• ill-omened
• ill-proportioned
• ill-scented
• ill-shapen
• ill-smelling
• ill-sorted
• ill-starred
• ill-tempered
• ill-timed
• ill-treat
• ill-treated
• ill-treatment
• ill-usage
• ill-use
• ill-used
• Illampu