1. Of an achromatic color of any lightness intermediate between the extremes of white and black
   - grey [Brit, Cdn], gray [US], greyish [Brit, Cdn]

See also: achromatic, neutral

• fire-swallower
• fire-wheel
• fire-worship
• firearm
• fireball
• firebase
• firebird
• fireboat
• firebomb
• firebox
• firebrand
• firebrat
• firebreak
• firebrick
• firebug
• fireclay
• firecracker
• fired
• firedamp
• firedog
• firedrake
• firefight
• firefighter
• firefighting
• firefly