WordNet sense 1 (not straight; dishonest or immoral or evasive):

crooked, crooked

WordNet sense 2 (curled or wound (especially in concentric rings or spirals)):

coiled

WordNet sense 3 (having or marked by a curve or smoothly rounded bend):

curved

WordNet sense 4 ((of hair) having curls or waves):

curly

WordNet sense 5 (not in a forthright manner):

indirectly