curvature, n. [curve], flexure, sinuosity; cyrtosis.
curve, v. [bend], [crook], [turn], inflect, deflect, [deviate], [wind].
cushion, n. [pad], [bolster], [pillow], pillion; pouf, pouffle.
cussedness, n. (Slang) perversity, [obstinacy], doggedness, meanness.
custodian, n. [curator], [guardian], [keeper].
custody, n. safe-keeping, [care]; [imprisonment].
custom, n. [usage], [practice], conventionality; patronage; impost, [duty], tribute.
customary, a. [usual], [wonted], [habitual], conventional, [accustomed].
customer, n. [patron].
cut, v. [gash], [slash], hew, [crop], reap, [mow], [lop], prune, [clip], shear, whittle, [shave], [trim], detruncate, [dock], [curtail], exscind, dissect, chamfer, amputate, [carve], [chase], chisel, [lance], bisect, [cleave], razee, [slit], incise, fell, [score], nurl, knurl.