unaging
adj/ʌnˈeɪd͡ʒɪŋ/
Etymology From un- + aging.
1
That does not age; timeless, immortal.
- Age notwithstanding, none of these men seem interested in sailing to Byzantium anyway: Justine’s got them all on the last stage to someplace wilder and scarier, where Yeats’s “monuments of unaging intellect” are thoroughly beside the point.2007 February 9, Terrence Rafferty, “Technicolor Dreamboat”, in The New York Times: