This is the 6504th most frequent Japanese word.
タイムレス
Timeless.
Here, "タイムレス" is used as an adjective to describe something enduring and not affected by time.
彼女の美しさはタイムレスです。
Her beauty is timeless.
In this sentence, "タイムレス" is used in combination with the na-adjective form "な" to describe the lasting and universal appeal of the movie.
この映画はタイムレスな魅力を持っています。
This movie possesses a timeless charm.
Here, "タイムレスさ" is the noun form of "タイムレス," emphasizing the concept or quality of being timeless.