grandiloquent
Grandiloquent is an adjective used to describe speech or writing that is extravagantly elaborate, pompous, or bombastic in style. It often signals an intent to impress through flourish rather than clarity.
Etymology: The word derives from Latin grandiloquus, from grandis “great” and loqui “to speak,” and entered English
Usage: In criticism, grandiloquent prose or oratory is typically viewed as overly self-important and can obscure
Examples: The historian criticized the speaker’s grandiloquent remarks as diluting the argument. The novel’s grandiloquent passages
See also: bombastic, pompous, grandiose, high-flown, florid, ornate, rhetoric.