[f. prec. + -(I)TY.] The quality of being ephemeral; concr. in pl. ephemeral matters.
1822. Carlyle, Early Lett. (1886), II. 67. Speculation on ephemeralities.
1861. Reade, Cloister & H., III. 222. This lively companion often looked in on him, and chattered ephemeralities.
1878. Frasers Mag., XVII. 530. Ephemerality? Is not the glory of even the Prime Minister, in most cases, but a passing brilliancy?