1. Showing characteristics of age, especially having grey or white hair
   - grey [Brit, Cdn], gray [US], grey-haired [Brit, Cdn], gray-haired [US], gray-headed [US], grizzly, hoar, hoary, white-haired

See also: old

Encyclopedia: Grey-headed

• Fourth Earl of Orford
• fourth estate
• Fourth Lateran Council
• Fourth of July
• fourth part
• fourth power
• fourth stomach
• fourth ventricle
• fourth-year
• fourthly
• fovea
• fovea centralis
• foveal vision
• fowl
• fowl cholera
• fowl pest
• fowl run
• fowler
• fowling piece
• fox
• fox grape
• fox hunter
• fox hunting
• Fox River
• fox shark