The term 'speak pompously' can be defined by four crossword solutions: SPOUT, ORATE, DECLAIM, and PONTIFICATE. SPOUT means to talk in a loud and forceful manner. ORATE means to speak in a formal and eloquent way. DECLAIM means to speak with great emotion and emphasis. PONTIFICATE means to speak in a dogmatic and authoritative way. All of these words describe speaking in a pompous manner, which is characterized by grandiose language and an air of superiority.