showing that you think you are more important than other people, especially by using long and formal words synonym pretentious a pompous official His speech sounded very pompous and self-congratulatory.
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NAmE//pɑmˈpɑsət̮i//
noun [uncountable] The prince's manner was informal, without a trace of pomposity. adverbSee pompous in the Oxford Advanced Learner's Dictionary
Check pronunciation: pompous