bombastic

adj

Etymology: From bombast (“padding, stuffing”) + -ic, 18th century. Sense evolution possibly influenced by unrelated bomb and bombard; see also bombard phrase.

1. showy in speech and given to using flowery or elaborate terms; grandiloquent; pompous

   “Dorsett came up the stairs, buggy whip in hand. He bustled into the office in his usual self‐important way. Frank noticed that the old clerk sat down on him promptly. He was not one bit impressed with the bombastic visitor from Greenville.”

2. High‐sounding but with little meaning.
3. Loud, aggressive, highly exaggerated, or explosive in manner or delivery; over‐the‐top.
4. Inflated, overfilled.