The word "ampuloso" in Spanish is used to describe something grandiloquent, pompous, or showy. It is not a very common word and tends to be more used in written contexts than in oral speech.
Examples
Las palabras ampulosas del político no lograron convencer a la audiencia. (The pompous words of the politician didn't convince the audience.)
El discurso del gerente resultó un tanto ampuloso para la ocasión. (The manager's speech was a bit overblown for the occasion.)
Idiomatic Expressions
"Ser muy ampuloso" Literal translation: To be very pompous Meaning: To be overly grandiloquent or pretentious.
Su estilo de hablar es muy ampuloso, a veces resulta cansino. (His way of speaking is very pompous, sometimes it gets tiresome.)
"Discurso ampuloso" Literal translation: Pompous speech Meaning: A speech that is overly grand or pretentious.
El congreso estuvo lleno de discursos ampulosos sin contenido real. (The congress was full of pompous speeches without real content.)
Etymology
The word "ampuloso" comes from the Latin "ampullōsus," which means "full of air" or "inflated."