Having lived for only a short time refers to a brief span of existence or experience, often associated with youth or early stages of life. It can evoke feelings of innocence, potential, and the idea that there is much yet to be discovered. This concept may also highlight the fragility of life and the urgency to make meaningful memories within that limited timeframe.
having lived or existed for only a short time:
The official definition for the word youngest is "having lived or existed for only a short time."
The answer to your clue is "brief." It refers to something that lasts for a short duration or is not long in terms of time.
Do you mean ephemeral...it means anything short lived, lasting only for a short time
She had a brother but he only lived a short time (9 months). Charles Jr.
They are called index fossils.
The word could be the adverb temporarily.Adjectives that are similar to temporary include transient, fleeting, ephemeral, and short-lived.
A transient is a temporary or short-lived phenomenon, often used in computing to describe data that is valid for a short period of time or applies only to a specific instance.
time
The words and ideas are short-lived and disappear quickly.
She lived in Germany for a short time as a child. :) hope this helps
The ozone hole is only for a short time because of the weather. It keeps replenishing the ozone.