timeless
noun C2- A gene encoding an essential protein that regulates circadian rhythm, normally written in italics: timeless.
From the library
This seamless integration of the old and the new grants the town a timeless quality, insulating it from the ravages of history.
Other matches
Learn timeless in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.