bombastic

adjective4

1. •
   showy in speech and given to using flowery or elaborate terms; grandiloquent; pompous
2. •
   High‐sounding but with little meaning.
3. •
   (informal) Loud, aggressive, highly exaggerated, or explosive in manner or delivery; over‐the‐top.
4. •
   (no longer used) Inflated, overfilled.