New Word A Day

Evanescent

Pronounced:
<eva-nes-sent>

To fade away.  To vanish like vapor.

My use: 
My gloom became evanescent when you told me that story.

Literary use:
By Konstantin Stanislavisk
Success is transient, evanescent. The real passion lies in the poignant acquisition of knowledge about all the shading and subtleties of the creative secrets.

Memory trick:
evanescent

van (reminds of) = vanish
scent (reminds of) = scent or slight smell
vanish like a scent

Listen: Evanescent