stale; old fashioned; hackneyed; trite; antiquated; obsolete; musty; outdated
お父さんのジョークは古臭いなあ。
Dad's jokes are so old-fashioned.
その企画は古臭く感じて、採用されなかった。
That proposal felt hackneyed and wasn't adopted.
その家は古臭かったけど、リノベーションで新しくなった。
The house was musty and old-fashioned, but it became new with renovation.