'Evanescent' definitions:

Definition of 'evanescent'

From: WordNet
adjective
Tending to vanish like vapor; "evanescent beauty"

Definition of 'Evanescent'

From: GCIDE
  • Evanescent \Ev`a*nes"cent\, a. [L. evanescens, -entis, p. pr. of evanescere.]
  • 1. Liable to vanish or pass away like vapor; vanishing; fleeting; as, evanescent joys. [1913 Webster]
  • So evanescent are the fashions of the world in these particulars. --Hawthorne. [1913 Webster]
  • 2. Vanishing from notice; imperceptible. [1913 Webster]
  • The difference between right and wrong, in some petty cases, is almost evanescent. --Wollaston. [1913 Webster]