Ageless vs. Timeless — What's the Difference?

Ageless is an adjective describing a person or thing whose age cannot be defined, is non-existent, or appears not to change. It can also describe something that has always existed without a precise beginning or an end.

Independent of time; eternal

Seeming never to grow old or to show the effects of time

Seemingly unaffected by time; ageless

Existing forever; eternal

Eternal.

Having existed for so great a period of time that its longevity cannot be expressed.

Not affected by time; ageless.

Continuing infinitely or indefinitely.

(obsolete) Done at an improper time; unseasonable; untimely.

Always appearing youthful; never seeming to age.

Not decreasing over time in quality and appeal.

Without old age limits of duration; as, fountains of ageless youth.

A gene encoding an essential protein that regulates circadian rhythm, normally written in italics: timeless.

Continuing forever or indefinitely;

Done at an improper time; unseasonable; untimely.

Done or occurring before the proper time; premature; immature; as, a timeless grave.

Having no end; interminable; unending.

Unaffected by time;