1An adverb/conjunction expressing that something increases in degree or that additional information is being added.
値段が上がり、さらに品質も落ちた。
The price went up, and on top of that the quality dropped too.
彼はピアノが得意で、さらに歌もうまい。
He's good at piano, and he's a great singer too.
練習を重ねれば、さらに上手になるだろう。
If you keep practicing, you'll get even better.
雨脚はさらに強くなった。
The rain got even heavier.
さらに詳しい情報が必要だ。
We need even more detailed information.