HOARY

Antediluvian

• Ancient

• Far from innovative

• Frost-covered

• Gray with age

• Gray-haired

• Grayish white

• Grizzled

• Like the Ancient Mariner

• Long in the tooth

• Old and gray

• Old as the hills

• Really, really old

• Showing age

• Stale

• Stale, as a joke

• Timeworn

• Too familiar

• Venerable

• White with age

• White-haired with age

• Wintry white