Ephemeral \E*phem"er*al\, 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["o]l.), 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 larv[ae] are aquatic; -- called also day fly and May fly. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

Ephemeral \E*phem"er*al\, n. Anything lasting but a day, or a brief time; an ephemeral plant, insect, etc. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

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

Source: Moby Thesaurus II by Grady Ward, 1.0
 

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]

Source: WordNet (r) 2.0
 

Ephemeral \E*phem"er*al\, a.

1. Beginning and ending in a day; existing only, or no longer than, a day; diurnal; as, an ephemeral flower.

2. Short-lived; existing or continuing for a short time only. ``Ephemeral popularity.'' --V. Knox.

Sentences not of ephemeral, but of eternal, efficacy. --Sir J. Stephen.

Ephemeral fly (Zo["o]l.), 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 larv[ae] are aquatic; -- called also day fly and May fly.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Ephemeral \E*phem"er*al\, n. Anything lasting but a day, or a brief time; an ephemeral plant, insect, etc.

Source: Webster's Revised Unabridged Dictionary (1913)