Definition

(Adjective) That quickly vanishes or passes away; having no permanence. Said of appearances, conditions, impressions, etc.

In Context

“The love I’m talking about is a simple emotion as evanescent as any other: you have the feeling towards someone for a moment, and the next moment, you’re on to something else.”

David Hlavsa, An Actor Rehearses: What to Do When – and Why, 2006.