* Using long, complex words and phrases.
* Being overly dramatic and theatrical.
* Trying to impress with grandness, but ultimately coming across as insincere or pretentious.
Imagine a politician giving a speech filled with big words and dramatic pauses, but the actual content is shallow and meaningless. That's a perfect example of grandiloquent speech.
Here are some synonyms for grandiloquent:
* Bombastic
* Florid
* High-flown
* Ornate
* Pretentious
* Rhetorical
* Eloquent (in a negative way)
Here's a sentence using the word:
* The author's grandiloquent descriptions of the hero's journey were so overblown they felt insincere.