ephemeral russian

• мину́тный

  momentary, short-lived, transient, ephemeral

• эфеме́рный

  ephemeral, short-lived, fleeting

  illusory, imaginary, unreal

• слово-однодневка

  nonce-word, ephemeral word, short-lived word

• тлен

  decay, dust, ashes, decomposition

  transience, ephemerality, vanity, futility

• быстротечно

  fleetingly, transiently, ephemerally

• скороте́чность

  transience, fleetingness, ephemerality, short-livedness

• быстроте́чность

  transience, fleetingness, ephemerality

Examples

• Красота цветов эфемерна и быстро исчезает.

  The beauty of flowers is ephemeral and quickly disappears.

• Слава часто оказывается эфемерной и недолговечной.

  Fame often turns out to be ephemeral and short-lived.

• Их счастье было эфемерным, как весенний снег.

  Their happiness was ephemeral, like spring snow.