bloviate
[bloh-vee-eyt]
to speak pompously
USE 1
The professor, known to bloviate, turned what was supposed to be a brief introduction into an hour-long lecture, much to the students’ dismay.
USE 2
The politician’s tendency to bloviate at the town hall meetings often left the audience more frustrated than informed.
USE 3
During the debate, he bloviated endlessly about minor issues, avoiding the substantial topics that truly mattered to the voters.
