Modifies a noun

• wisdom: Any idea of a perennial philosophy, or an ageless wisdom, he would utterly reject.

• beauty: This interest in radiating ageless beauty has given birth to a burgeoning beauty industry focusing on ways to ease the effects of aging skin.

• characteristic: The ageless characteristic and durability of oak make it one of the most popular woods for furniture makers.

• tradition: The trivia of much New Age spiritual questing is, in our view, little more than the commercialisation of an ageless tradition.

• appeal: Brazilia Altogether the ultimate in contemporary styling with an ageless appeal.

• classic: You'll have a lot of fun with this ageless game classic.

Used with adjective complement

• seem: It's the kind of place for the Admiral's banquet and tonight it is host to Joan Baez who seems ageless.