old-hat in WordNet English dictionary

1. out of fashion
   "a suit of rather antique appearance"; "demode (or outmoded) attire"; "outmoded ideas"
   antique  demode  ex  old-fashioned  old-hat  outmoded  passe  passee 
   
2. repeated too often; overfamiliar through overuse
   "bromidic sermons"; "his remarks were trite and commonplace"; "hackneyed phrases"; "a stock answer"; "repeating threadbare jokes"; "parroting some timeworn axiom"; "the trite metaphor `hard as nails'"
   banal  commonplace  hackneyed  old-hat  shopworn  stock  threadbare  timeworn  tired  trite  well-worn 
   

old-hat in English Wiktionary