POPULARITY n. 5 definitions
n favor with, the people at large; good will or favor proceeding from the people; as, the popularity of a law, statesman, or a book. A popularity which has lasted down to our time. Macaulay.
EPHEMERAL a.
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 (Zoöl.), one of a group of neuropterous insects, belonging to the genus Ephemera and many allied genera, which live in the adult or winged state…