01 a. Liable to vanish or pass away like vapor; vanishing; fleeting; as, evanescent joys.
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1.
Liable to vanish or pass away like vapor; vanishing; fleeting; as, evanescent joys.“So evanescent are the fashions of the world in these particulars.” — Hawthorne.
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2.
Vanishing from notice; imperceptible.“The difference between right and wrong, in some petty cases, is almost evanescent.” — Wollaston.