ageless

• POS: Adjective
• HYPHEN: age=less

CIDE DICTIONARY

ageless, a. 

 Without old age limits of duration; as, fountains of ageless youth.  [1913 Webster]

OXFORD DICTIONARY

ageless, adj.
1 never growing or appearing old or outmoded.
2 eternal, timeless.

THESAURUS

ageless

age-old, ancient, antique, auld, ceaseless, coeternal, constant, continual, continuous, dateless, elderly, endless, eternal, eterne, ever-being, ever-durable, ever-during, everlasting, everliving, hoary, immemorial, incessant, indestructible, infinite, interminable, never-ceasing, never-ending, nonstop, nonterminating, nonterminous, of old, of yore, olamic, old, old as Methuselah, old as history, old as time, old-time, olden, perdurable, permanent, perpetual, sempiternal, steady, timeless, unceasing, unending, unintermitting, uninterrupted, unremitting, venerable, without end