adjective ev·a·nes·cent \-sənt\

: lasting a very short time

Full Definition of EVANESCENT

:  tending to vanish like vapor

Examples of EVANESCENT

  1. <beauty that is as evanescent as a rainbow>


Latin evanescent-, evanescens, present participle of evanescere
First Known Use: 1717

Synonym Discussion of EVANESCENT

transient, transitory, ephemeral, momentary, fugitive, fleeting, evanescent mean lasting or staying only a short time. transient applies to what is actually short in its duration or stay <a hotel catering primarily to transient guests>. transitory applies to what is by its nature or essence bound to change, pass, or come to an end <fame in the movies is transitory>. ephemeral implies striking brevity of life or duration <many slang words are ephemeral>. momentary suggests coming and going quickly and therefore being merely a brief interruption of a more enduring state <my feelings of guilt were only momentary>. fugitive and fleeting imply passing so quickly as to make apprehending difficult <let a fugitive smile flit across his face> <fleeting moments of joy>. evanescent suggests a quick vanishing and an airy or fragile quality <the story has an evanescent touch of whimsy that is lost in translation>.
Medical Dictionary


adjective ev·a·nes·cent \ˌev-ə-ˈnes-ənt\

Medical Definition of EVANESCENT

:  tending to disappear quickly :  of relatively short duration <an evanescent rash>


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