listen to the pronunciation of ephemerality
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Английский Язык - Английский Язык
Something that is ephemeral

So, too, the multiplication of bathrooms and the over-expenditure on broadly paved motor roads, and above all, the massive collective concentration on glib ephemeralities of all kinds, performed with supreme technical audacity.

The state or condition of being ephemeral; transience
the property of lasting for a very short time
{i} quality of lasting for a very short time; something temporary