1. Of an achromatic colour of any lightness intermediate between the extremes of white and black
   "a man with greyish hair"
   - grey [Brit, Cdn], gray [US], grayish [US]

See also: achromatic, neutral

• Perisoreus canadensis capitalis
• perisperm
• perissodactyl
• perissodactyl mammal
• Perissodactyla
• peristalsis
• peristaltic
• Peristediinae
• Peristedion
• Peristedion miniatum
• peristome
• peristylar
• peristyle
• perithecium
• perithelial
• perithelium
• peritoneal
• peritoneal cavity
• peritoneal inflammation
• peritoneum
• peritonitis
• peritonsillar abscess
• Peritrate
• peritrichous
• periwig