1. The quality or state of being platitudinous; the characteristic of expressing ideas that are dull, trite, or lacking originality
The speaker's platitudinousness made the presentation unbearable to listen to.
A banalidade do palestrante tornou a apresentação insuportável de se ouvir.
2. The tendency to express oneself in platitudes or commonplace remarks
Critics complained about the platitudinousness of the film's dialogue.
Os críticos reclamaram da banalidade do diálogo do filme.