1. puffed up with vanity - a grandiloquent and boastful manner - overblown oratory - a pompous speech - "pseudo-scientific gobbledygook and pontifical hooey"- Newsweek • Syn: grandiloquent, pompous, pontifical, portentous • Similar to: pretentious • Derivationally related forms: pomp (for: pompous), pomposity (for: pompous), pompousness (for: pompous) 2. past the stage of full bloom - overblown roses • Similar to: mature