abstract
amplitude
arc
billow
billowy
camber
corrugated
crisscross
curvature
curve
curvy
distortion
divider
flex
flow
geometry
horizontal
irregular
jagged
linear
lines
motion
oscillate
oscillation
peak
pulsating
pulse
ripple
separator
shape
sine
sinuous
sinus
smooth
squiggle
squiggly
stripe
undulate
undulating
wave
wavy
wiggle
wiggly
winding
wriggle
wriggly
zag
zig
zigzag