angular

rawboned, scraggy, scrawny

bony (also boney), fatless, gracile, lean, lithe, skinny, slender, slim, spare, svelte, thin

sinewy, wiry

clean-limbed, trim

sylphlike, willowy

lank, lanky, rangy, reedy, spindling, spindly, stringy, twiggy, waspish, weedy

spindle-legged, spindle-shanked

gangling, gangly

anorectic (also anoretic), anorexic, cadaverous, emaciated, gaunt, haggard, pinched, skeletal, wasted, wizened

meager (or meagre), puny, slight

peaked, pointed, pointy, sharp, spired, tipped

needlelike, spiny

barbed, jagged, pronged, spiked, spikelike, spiky (also spikey)

bladelike, knifelike

broken, craggy, ragged, scraggly, scraggy

saw-toothed, serrate, serrated

harsh, rough, roughened, rugged

bumpy, coarse, irregular, nonuniform