Use the adjective hoary to describe something that is old and worn out — like the hoary jokes your great uncle Albert clings to.

The word hoary can also be used to describe something that is white or gray with age. Santa is usually depicted with a hoary beard and hoary hair, although sometimes mall Santas have to fake this with wigs and artificial beards. Hoary can also mean covered with white down — "The hoary leaves felt like velvet to the touch."

Definitions of hoary

adj showing characteristics of age, especially having grey or white hair

“nodded his hoary head”
gray, gray-haired, gray-headed, grey, grey-haired, grey-headed, grizzly, hoar, white-haired
(used especially of persons) having lived for a relatively long time or attained a specific age

adj ancient

hoary jokes”
of long duration; not new

adj covered with fine whitish hairs or down

haired, hairy, hirsute
having or covered with hair

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