snarled, tough, convoluted, knotted, knotty, crooked, problematical, tortuous, contorted, elusive, snarly, gnarly, bent, problematic, knobbed, twisted, involved, baffling, tangled.
Jim scratched his sandy head and looked at his comrade, a little gnarled
fellow, like the bleached root of a tree.
The old lake house flung down uncouth shadows on one hand, a gnarled
oak pushed its gaunt limbs far over the waters on the other.
He passed with great caution the door of the gnarled
woman, and finally stopped outside his home and listened.