1The outline or shape of a person or object, often appearing as a dark shape against a lighter background; also used for the cut/line of clothing.
夕焼けにシルエットになった山並みが美しかった。
The mountain range silhouetted against the sunset was beautiful.
遠くからでも彼女のシルエットはすぐにわかった。
Even from afar, I could immediately recognize her silhouette.
そのブランドは服のシルエット（ライン）に特徴がある。
That brand is characterized by the silhouettes/lines of its clothing.
逆光で人物をシルエットにして写真を撮った。
I photographed the person in silhouette against the backlight.