Synonyms of the word 
CURVILINEAR → CURVED - CURVILINEAL - CURVING
curvilinear
- adj. (Of a line) Having bends; curved; curvilineal.
- adj. (geometry, art) Formed by curved lines.
curved
- adj. Having a curve or curves.
- v. simple past tense and past participle of curve.
curvilineal
- adj. (Of a line) Having bends; curved; curvilinear.
curving
- v. present participle of curve.
- n. A shape or motion that curves.
- adj. That curves or curve.
If you are interested in words, visit the following sites :
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- 1word.ws/curvilinear to play with words, suffixs, prefixs, etc.