Filmy used in fashion often suggests elegance and delicate beauty. The bride's gown had a filmy layer that added an ethereal charm.
Pro Tip 2/3
Lightness Emphasis
'Filmy' emphasizes the light and almost floating quality of something, especially fabric. The morning dew clung to the filmy cobwebs beautifully.
Pro Tip 3/3
Translucency Highlight
Use 'filmy' when you want to describe something that is somewhat transparent. The lamp was covered with a filmy shade, casting a soft glow in the room.