It's often used to describe:
* Stars: "Hoshi ga migurushiku hikatte imasu" (星がみぐるしく光っています) - "The stars are dazzlingly shining."
* Jewellery: "Kinkou ga migurushii" (金剛が みぐるしい) - "The diamonds are shimmering."
* Water surfaces: "Mizu no hyomen ga migurushii" (水の表面がみぐるしい) - "The surface of the water is sparkling."
* Moonlight: "Tsukiakari ga migurushii" (月明かりがみぐるしい) - "The moonlight is dazzling."
The word "migurushii" evokes a sense of wonder and beauty, suggesting something that is both captivating and ethereal.