Meaning of seriosity in English:

seriosity

Pronunciation /ˌsɪərɪˈɒsɪti/

noun

  • The quality or state of being serious, now especially in a pompous or affected way; (excessive) seriousness.

Origin

Early 16th century; earliest use found in Robert Henryson (d. c1490), poet. From post-classical Latin seriositas from seriosus + classical Latin -tās.