curve

Synonyms: ambit arc arch bend bight bow camber catenary chord circle circuit circumference compass concavity contour crook curlicue curvation curvature ellipse festoon flexure hairpin half-moon helix horseshoe hyperbola incurvation incurvature loop meniscus ogee parabola quirk rondure round sinuosity sweep swerve trajectory turn vault whorl

Antonyms: line

Synonyms: arc arch bend bow buckle bulge coil concave convex crook crumple curl deviate divert gyrate hook incurve inflect loop round skew snake spiral stoop swerve turn twist veer wind wreathe

Antonyms: straighten