filmy

1. Of, resembling, or consisting of film; gauzy: filmy lingerie. See synonyms at airy.
2. Covered by or as if by a film; hazy.

adjective

1. So light and insubstantial as to resemble air or a thin film: aerial, aery, airy, diaphanous, ethereal, gauzy, gossamer, gossamery, sheer², transparent, vaporous, vapory. See thick/thin.
2. Covered by or as if by a thin coating or film: blurry, cloudy, dim, hazy, misty. See clear/unclear.

Definition: covered with mist; blurry
Antonyms: clean, clear, opaque, see-through, translucent, transparent

adj

Definition: finespun, fragile
Antonyms: coarse, nontransparent, opaque, substantial

The adjective has one meaning:

Meaning #1: so thin as to transmit light
  Synonyms: diaphanous, gauzy, gossamer, see-through, sheer, transparent, vaporous, cobwebby