1. Puffed up with vanity
   "overblown oratory"
   - grandiloquent, pompous, pontifical, portentous 
2. Past the stage of full bloom
   "overblown roses"

See also: mature, pretentious

• untruthful
• untruthfully
• untruthfulness
• untucked
• untufted
• untune
• untuneful
• unturned
• untutored
• untwine
• untwist
• untwisted
• untying
• untypical
• untypicality
• untypically
• ununbium
• ununderstandably
• ununderstood
• ununhexium
• ununpentium
• ununquadium
• ununtrium
• unusable
• unuseable