i-adjective
Describes physical objects, buildings, or things that have existed for a long time; not used for people.
この町には古い神社がたくさんある。
There are many old shrines in this town.
祖母の家に
Old furniture remains at my grandmother's house.
i-adjective
long-standing; time-honored; of the distant past
Refers to traditions, relationships, or things that have continued from long ago; sense 3 is a more literary or emphatic variant.
彼とは古い付き合いです。
He and I have a long-standing relationship.
この祭りは古い歴史を持っている。
This festival has a long history.
i-adjective
Used for ideas, jokes, or expressions that are no longer fresh or original.
そのギャグはもう古いよ。
That gag is already stale.
彼の考え方は少し古い。
His way of thinking is a bit outdated.
i-adjective
old-fashioned; outmoded; out-of-date
Describes styles, technology, or customs that are no longer current.
このデザインはもう古い。
This design is already old-fashioned.
古い習慣を変えるのは難しい。
It's hard to change old customs.