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