Describes a style of speaking or writing that is pompous or extravagant.
Su discurso grandilocuente dejó a todos con la boca abierta, aunque algunos lo consideraron exagerado.
His grandiloquent speech left everyone speechless, although some considered it exaggerated.
El discurso del político era tan altisonante que pocos podían seguirle el ritmo sin perderse en sus palabras grandilocuentes.
The politician's speech was so high-sounding that few could keep up with him without getting lost in his grandiloquent words.