Appearance or looks; the outward impression of a person or thing (how it looks), often contrasted with interior qualities.
見た目で判断するのはよくない。中身も大事だ。
It's not good to judge by appearances. The inside matters too.
この服は見た目は高そうだけど、実は安物だ。
This clothing looks expensive, but actually it's cheap.
見た目を気にしてヘアスタイルを変えた。
I changed my hairstyle because I cared about my appearance.
見た目を良くするために照明を工夫した。
I adjusted the lighting to improve the look/appearance.