THESAURUS
threadlike
airy, attenuate, attenuated, boyish, capillary, cirrose, cirrous, delicate, diaphanous, diluted, ethereal, fibered, fibroid, fibrous, fine, fine-drawn, finespun, flagelliform, flimsy, flossy, frail, funicular, gauzy, girlish, gossamer, gossamery, gracile, hairlike, hairy, insubstantial, lacy, ligamental, light, misty, papery, rare, rarefied, ropy, silky, slender, slenderish, slight, slight-made, slim, slimmish, slinky, small, stringy, subtle, svelte, sylphlike, taeniate, taeniform, tenuous, thin, thin-bodied, thin-set, thin-spun, thinnish, thready, vague, wasp-waisted, watered, watered-down, watery, weak, willowy, wiredrawn, wiry, wispy