adjective. Retaining color, freshness, value, or usefulness.

Not liable to lose strength or freshness of coloring.

Not liable to wither or decay.

adjective. not losing color or value.

adjective. of an imaginary flower that never fades

"Although no beam of light can approach the precious jewel, yet it shineth still in unfading beauty -- a child of the heavenly light, which it faithfully treasures up within its own bosom!"

fading  

immortal  

changeful  deathless  dewy  fadeless  imperishable  

abiding  age-long  aged  amaranthine  amaranthine