Formal:
* Grandiloquent: This word implies using high-flown or bombastic language, often with a sense of self-importance.
* Sesquipedalian: This refers to using long words, often unnecessarily.
* Highfalutin: This is a more informal way of saying "grandiloquent," often with a sense of pretension.
* Bombastic: This suggests loud, inflated, and often empty rhetoric.
* Pretentious: This implies a desire to impress by using complex language or obscure references.
Informal:
* Overblown: This suggests exaggeration or excess in language.
* Wordy: This simply means using more words than necessary.
* Verbose: This implies excessive use of words, often lacking clarity.
* Circumlocutory: This refers to using roundabout language, avoiding directness.
* Prolix: This describes writing or speech that is excessively lengthy and drawn-out.
The best word to use will depend on the specific context and the degree of pomposity you want to convey.