Dazzling or blindingly bright; very bright to the point of making one squint. Also used figuratively for something strikingly attractive or brilliant.
朝日が眩しくて、目を開けられない。
The morning sun is so dazzling that I can't open my eyes.
彼女の眩しい笑顔が写真に収まっている。
Her dazzling smile is captured in the photo.
白い雪が反射して景色が眩しい。
The white snow reflects light and the scenery is dazzling.
舞台上のライトが眩しくて、演者の顔がはっきり見えなかった。
The stage lights were so bright that I couldn't clearly see the performer's face.