ephemeral
adjective
UK/ɪˈfem.ᵊr.ᵊl/
US/ɪˈfem.ɚ.ᵊl/
Definitions of ephemeral adjective
lasting for a very short period of time
In this era of rapid technological advancement, the life cycle of many products seems very ephemeral.
The artist tried to capture the ephemeral beauty of the sunset, preserving it for eternity.
The joyful moments of youth always feel so ephemeral.