1. The quality of being excessively grand, solemn, or self-important; excessive dignity or formality
The pompousness of his speech made it difficult to take him seriously.
A pompa de seu discurso tornou difícil levá-lo a sério.
2. Behavior or language characterized by excessive self-importance and lack of humility
His pompousness was evident in the way he constantly boasted about his achievements.
Sua pompa era evidente na forma como constantemente se gabava de suas realizações.