[1] : The Collaborative International Dictionary of English v.0.48

ephemeral \ephem"eral\, a.
   1. beginning and ending in a day; existing only, or no longer
      than, a day; diurnal; as, an ephemeral flower.
      1913 webster

   2. short-lived; existing or continuing for a short time only.
      "ephemeral popularity." --v. knox.
      1913 webster

            sentences not of ephemeral, but of eternal,
            efficacy.                             --sir j.
                                                  stephen.
      1913 webster

   ephemeral fly zo"ol., one of a group of neuropterous
      insects, belonging to the genus ephemera and many allied
      genera, which live in the adult or winged state only for a
      short time. the larvae are aquatic; -- called also day
      fly and may fly.
      1913 webster
see also:
ephemeral fly ephemera day fly may fly 

[2] : The Collaborative International Dictionary of English v.0.48

ephemeral \ephem"eral\, n.
   anything lasting but a day, or a brief time; an ephemeral
   plant, insect, etc.
   1913 webster

[3] : WordNet (r) 2.0

ephemeral
     adj : enduring a very short time; "the ephemeral joys of
           childhood"; "a passing fancy"; "youth's transient
           beauty"; "love is transitory but at is eternal";
           "fugacious blossoms" syn: passing, short-lived, transient,
            transitory, fugacious
see also:
passing short-lived transient transitory fugacious 

[4] : Moby Thesaurus II by Grady Ward, 1.0

47 moby thesaurus words for "ephemeral":
   brief, brittle, capricious, changeable, corruptible, deciduous,
   dying, episodic, evanescent, evergreen, fading, fickle, fleeting,
   flitting, fly-by-night, flying, fragile, frail, fugacious,
   fugitive, half-hardy, hardy, impermanent, impetuous, impulsive,
   inconstant, insubstantial, momentary, mortal, mutable, nondurable,
   nonpermanent, passing, perennial, perishable, short, short-lived,
   subject to death, temporal, temporary, transient, transitive,
   transitory, undurable, unenduring, unstable, volatile

Ephemeral >> E Words
Ephemeral, definition of term: Ephemeral
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