As an adjective curved
is having a curve or curves.
As a verb curved
is (curve).
As a noun curvilinead is
(geometry|obsolete) an instrument for drawing curved lines.
curved
English
Antonyms
* straight
Synonyms
* (having a curve)
** (for two-dimensional shapes) bent, hooked
** (for three-dimensional shapes) rounded
* (having curves) curvy, sinuous, tortuous, wavy
Verb
(head)
(curve)