Definition for Ephemeral:

• Beginning and ending in a day; existing one day only; continuing for a short time only.

Synonyms for Ephemeral:

• adj.

  •all (adjective)
  • fugacious,
  • transient,
  • short-lived,
  • transitory,
  • passing.
  •fugacious (adjective)
  • fugacious.
  •human (adjective)
  • mortal.
  •imaginary (adjective)
  • insubstantial.
  •meteoric (adjective)
  • overnight.
  •momentary, passing (adjective)
  • impermanent,
  • Flitting,
  • fugitive,
  • Unenduring,
  • temporary,
  • brief,
  • short-lived,
  • evanescent,
  • short,
  • transitory,
  • episodic,
  • transient,
  • volatile,
  • fleeting,
  • fugacious.
  •transient (adjective)
  • cursory,
  • restless,
  • instantaneous,
  • brief,
  • flickering,
  • momentary,
  • short-term,
  • evanescent,
  • fleeting,
  • fickle,
  • transitory,
  • mortal,
  • mutable,
  • transient,
  • volatile,
  • temporary,
  • changeable,
  • temporal,
  • impermanent,
  • Flitting,
  • short-lived,
  • shifting,
  • passing,
  • rootless,
  • fading.
  •unnoticeable (adjective)
  • unnoticeable.

• n.

  •
  • inconstant.
  •
  • fleet,
  • biennial.
  •animal (noun)
  • Ephemeron.
  •ephemeral (noun)
  • passing,
  • short-lived,
  • impermanent,
  • transitory,
  • transient,
  • temporary,
  • fugacious.

• Other synonyms:

  •
  • fleet.
  •temporary
  • provisional.
  •Other relevant words:
  • perennial,
  • perfunctory,
  • episodic,
  • impulsive,
  • fly-by-night,
  • unsubstantial,
  • bubble,
  • capricious,
  • fugacious,
  • airy,
  • vanishing,
  • flash,
  • half-hardy,
  • stopgap,
  • pro tem,
  • careless,
  • inappreciable,
  • casual,
  • amphibian,
  • weed,
  • provisional,
  • short-range,
  • nonpermanent,
  • here today,
  • deciduous plant,
  • meteoric,
  • seedling,
  • Unenduring,
  • fungus,
  • corruptible,
  • immaterial,
  • makeshift,
  • going,
  • human,
  • incorporeal,
  • unobservable,
  • vegetable,
  • rapid,
  • swift,
  • flying,
  • dying,
  • annual,
  • hasty,
  • deciduous,
  • Ephemeron,
  • cutting,
  • momentaneous,
  • inconstant,
  • arty,
  • triennial,
  • stand-by,
  • slippery,
  • disembodied,
  • brittle,
  • accidental,
  • quick,
  • frail,
  • impetuous,
  • plant,
  • smoke,
  • interim,
  • biennial,
  • fragile,
  • insubstantial,
  • jackleg,
  • concise,
  • expiring,
  • disappearing,
  • perishable,
  • transitive,
  • overnight,
  • transitional,
  • unnoticeable,
  • evergreen,
  • spasmodic,
  • gone tomorrow,
  • slipping away,
  • little,
  • nondurable,
  • ethereal,
  • unstable,
  • fleet,
  • short,
  • fugitive,
  • imponderable,
  • terminable,
  • hardy,
  • imperceptible,
  • dicotyledon.

Antonyms for Ephemeral:

• adj.

  • momentary, passing
    interminable, permanent, lasting, everlasting, long-lived, long, lengthy, eternal, perpetual, enduring.
  • Other antonyms:
    immortal, unfading, enduring, lifelong, eternal, Indefectible, lasting, durable, persistent, abiding, continuing, timeless, indestructible, imperishable.