This is the 6370th most frequent Japanese word.
シャイニー
Shiny.
The word 'シャイニー' is used as an adjective describing a dress, implying it's radiant and glittering.
そのシャイニーなドレスが本当に素敵ですね。
That shiny dress is really lovely.
Here, 'シャイニー' is metaphorically used to describe a bright and cheerful personality.
彼の性格はシャイニーで、とても明るいです。
His personality is shiny and very bright.
In this usage, 'シャイニー' is potentially serving as a proper noun or specialized term, depending on context.