arced
arched
arching
arciform
arcuate
bowed
curvey
curvilineal
curvilinear
curvy
eellike
falcate
falciform
flexuous
hooked
hooklike
incurvate
incurved
recurvate
recurved
semicircular
serpentine
sickle-shaped
sinuate
sinuous
sinusoidal
snakelike
snaky
upcurved
wiggly
Irving
conserving
deserving
observing
preserving
reserving
serving
undeserving
unnerving
unswerving