'overblown' definitions:

Definition of 'overblown'

(from WordNet)
adjective
Puffed up with vanity; "a grandiloquent and boastful manner"; "overblown oratory"; "a pompous speech"; "pseudo-scientific gobbledygook and pontifical hooey"- Newsweek [syn: grandiloquent, overblown, pompous, pontifical, portentous]
adjective
Past the stage of full bloom; "overblown roses"

Synonyms of 'overblown'

From: Moby Thesaurus