THESAURUS
fibrous
capillary, cartilaginous, chewy, cirrose, cirrous, cohesive, coriaceous, durable, fibered, fibroid, flagelliform, flossy, funicular, gossamery, gristly, hairlike, hairy, hard, hardy, lasting, leatherlike, leathery, ligamental, resistant, ropy, silky, sinewy, stiff, stringy, strong, stubborn, taeniate, taeniform, tenacious, threadlike, thready, tough, tough as leather, untiring, vigorous, viscid, wiry
ROGET THESAURUS
fibrous
Filament
N
filament, line, fiber, fibril, funicle, vein, hair, capillament, cilium, cilia, pilus, pili, tendril, gossamer, hair stroke, veinlet, venula, venule, wire, string, thread, packthread, cotton, sewing silk, twine, twist, whipcord, tape, ribbon, cord, rope, yarn, hemp, oakum, jute, strip, shred, slip, spill, list, band, fillet, fascia, ribbon, riband, roll, lath, splinter, shiver, shaving, beard, ramification, strand, filamentous, filamentiferous, filaceous, filiform,
fibrous, fibrillous, thread-like, wiry, stringy, ropy, capillary, capilliform, funicular, wire-drawn, anguilliform, flagelliform, hairy, taeniate, taeniform, taenioid, venose, venous.