"Curved" is a word that can describe something that is not linear in shape or form. If you were looking for synonyms for "curved," you might consider the following: bending, arched, winding, twisting, curling, coiling, crooked, serpentine, sinuous, contorted, or bowing. Each of these words can describe something that is not straight or linear in shape, but may have a gentle or abrupt curvature. For instance, winding might describe a road that twists through the mountains, while crooked could describe a tree branch that has grown in an unexpected way. Regardless of the word chosen, all of these synonyms can help to give a more descriptive and vivid portrayal of something that is not straight.