1. A lofty, pompous, or bombastic style of speaking or writing; use of high-sounding language
The politician's speech was full of magniloquence but lacked substance.
O discurso do político estava cheio de grandiloquência, mas faltava-lhe substância.
2. Grandiose or boastful expression; bombastic rhetoric
His magniloquence disguised the emptiness of his arguments.
Sua grandiloquência disfarçava a vaidade de seus argumentos.