Words to Describe sidewalls

How sidewalls often is described ("________ sidewalls")

• opposite
• upper
• longitudinal
• thicker
• vaginal
• foot
• perpendicular
• lateral
• solid
• high
• tapered
• distant
• adiabatic
• etched
• wooden
• convergent
• longer
• white
• nasal
• parallel
• undercut
• cold
• coursed
• lower
• vertical
• rough
• smoother
• flat
• degree
• incurved
• corrugated
• length
• interior
• outer
• slanted
• angled
• right
• open
• cylindrical
• black
• stupendous
• steep
• triangular
• low
• thick
• inclined
• smooth
• thin
• bony
• rigid
• exterior
• near
• sloped
• bottom
• narrow
• adjacent
• shorter
• conductive
• curved
• inner
• straighter
• straight
• thinner
• treated
• concrete
• flexible
• pelvic