Wiktionary
ephemerally
adv. 1 In an ephemeral manner. 2 Regarding ephemera.
Usage examples of "ephemerally".
The quartet of creatures whose path it had ephemerally encountered fell behind.
Half the racing world seemed to have embraced the occasion, for which after the last race that afternoon there had been much speedy unrolling of glittering black and silver ceiling-to-floor curtaining, transforming the workaday interior of the grandstand into something ephemerally magnificent.