An adjective meaning something that is not old or existed before; recently made, introduced, or discovered; new or modern.
新しい靴を買ったら歩きやすかった。
When I bought new shoes, they were comfortable to walk in.
その会社は新しい技術を導入した。
That company introduced a new technology.
新しい友達とカフェで話した。
I talked with a new friend at a café.