crinkled

crumpled

channelled creased flexed fluted folded furrowed puckered roughened rumpled wrinkled

flat smooth

curly curved undulating

bumpy twisted

straight

bent crooked fluctuating irregular jagged meandering oscillating serrated snaking twisted twisting undulating waggling winding

devious erratic indirect rambling sinuous tortuous transverse

direct even level smooth straight straightforward

crimped curly sinuous wrinkled