Evanescent : soon passing out of sight, memory, or existence; quickly fading or disappearing.
Blooming : used to express annoyance or for emphasis.
Growing : (of a living thing) undergoing natural development by increasing in size and changing physically.
Twinkling : shining with a gleam that changes from bright to faint.
Teasing : intended to provoke or make fun of someone in a playful way.
Antonym of Evanescent is Blooming