Synonyms for Bristly:

adj.

all (adjective)
waspish, splenetic, prickly.
bearded (adjective)
stubbled.
rough (adjective)
gnarled, coarse, Scuffed, sinewy, ruffled, Knurled, rumpled, rough, rugged, ragged, jagged, stubbled, scratchy.
sharp (adjective)
thorny, needle-like, sagittal, spinous, acute, razor-edged, spiky, spear-like, spiny, pointed, jagged, prickly, Thistly, needle-point, cutting, keen, barbed, pointy, sharp, spiked.
with stiff hairs (adjective)
spiny, barbellate.

n.

irregular, abrasive, uneven, textured. body, coiffed, bad hair day, bedhead, bushy, close-cropped, bouffant, balding, bald. bristly (noun)
bristled, burred, waspish, barbed, armed, prickly, briery, ill-natured, spiny, briary, splenetic, burry, barbellate, thorny.

Other synonyms:

bad hair day, coiffed, bouffant, close-cropped, balding. bedhead. body. fuzzy
bushy.
Other relevant words:
barbellate, burred, uneven, bouffant, balding, ill-natured, briery, bushy, bristled, body, armed, coiffed, splenetic, burry, briary, waspish.