incurved

biconcave cupped dented dimpled dipped excavated hollow hollowed incurvate incurvated indented round rounded sagging scooped sinking sunken

convex distended

arched crooked curvaceous elliptical rounded serpentine twisted twisting

arced compass humped incurvate looped round skewed sweeping turned wreathed

S-shaped arciform arrondi biflected circular curly curvilinear declinate enbowed loopy sigmoid sinuous snaky swirly twisty

straight

arched cleft cupped curved depressed dimpled excavated indented notched pitted striated sunken vaulted void

alveolate carved out cavernous concave cup-shaped deep-set infundibular not solid troughlike unfilled vacant

convex earnest frank full genuine high honest light meaningful raised real sincere soft solid substantial truthful