filmy

1 being of a material lacking in sturdiness or substance filmy cobwebs covering the entryway to the cellar Synonyms cobwebby, flimsy, frothy, gauzy, gossamer, gossamery, insubstantial, sleazy, unsubstantialRelated Words dainty, delicate, fine; feeble, fragile, frail; diaphanous, sheer, transparentNear Antonyms durable, knockabout, lasting, tough; coarse, heavy, rough, rudeAntonyms sturdy, substantial

2 very thin and easy to see through those filmy curtains don't block out enough light Synonyms cobwebby, diaphanous, sheer, gauzelike, gauzy, gossamer, gossamery, see-through, transparentRelated Words peekaboo; clear, crystal, crystalline, limpid, liquid, lucent, pellucid; lucid, translucent; dainty, delicate, flimsy, fragile, frail, insubstantial, unsubstantial; colorless, uncoloredNear Antonyms opaque; cloudy, foggy, hazy, misty, murky, nebulous, smoky (also smokey); drab, dull, lackluster, lusterless